I've haved many bad jobs in my life. I've had many bad jobs in my life.

Some of the works was physically hard. Some of the work was physically hard.

Or you could say "Some of the jobs were physically hard".

Some of the works wasjobs were physically hard. Some of the jobs were physically hard.

While we often call our jobs our "work" in English, the word "works" usually refers to a product of creative output (for example: "the works of Shakespeare," which refers to the plays that Shakespeare wrote).

God, am I asking for too much? God, am I asking for too much?

Other workjobs had atoo little sallary. Other jobs had too little salary.

Other workjobs had a littlesmall sallary. Other jobs had a small salary.

I had no trouble understanding your point here. "A small salary" or "a low salary" sounds more natural.

Sometimes the work was very boring that and I just couldn't do it. Sometimes the work was very boring and I just couldn't do it.

Sometimes the work was veryso boring that I just couldn't do it. Sometimes the work was so boring that I just couldn't do it.

I would recommend "Sometimes the work was so boring that I just couldn't do it," but people would also understand you if you said, "Sometimes the work was very boring, and I just couldn't do it."

I still dreaming about a job theat doesn't destroy my body and soul. I still dream about a job that doesn't destroy my body and soul.

It must be a job with middlea good sallary, stable weekends, and an adequate team?. It must be a job with a good salary, stable weekends, and an adequate team.

Since you are saying "must", the sentence doesn't sound natural with a question mark. Typically we use "must" when we are confident.

It must be a job with middlea decent sallary, stable weekends, an adequate team?, It must be a job with a decent salary, stable weekends, an adequate team,

I assume that by "middle," you mean a salary that isn't necessarily very high but still lets you live comfortably. "Middle" makes sense, but we don't typically describe a salary that way. I suggest "decent," but you can also say something else like "reasonable," "comfortable," or maybe even "mid-range."

without aand no stupid boss. and no stupid boss.

By itself, "without a stupid boss," isn't a complete sentence, and there are many ways that you can change that. I suggest making it part of the list in your previous sentence.