3 sentences

1. 他在求职失败后感到非常沮丧。

   tā zài qiú​zhí shī​bài hòu gǎn​dào fēi​cháng jǔ​sàng.

   He felt very depressed after failing in his job search.

   Source: Dong Chinese Dictionary

2. 大学毕业后，他一直在大城市中求职。

   dà​xué bì​yè hòu, tā yī​zhí zài dà chéng​shì zhōng qiú​zhí.

   Since graduating from university, he has been looking for a job in big cities.

   Source: Dong Chinese Dictionary

3. 大学毕业生们正忙着在招聘会上求职。

   dà​xué bì​yè​shēng men zhèng máng zhe zài zhāo​pìn huì shàng qiú​zhí.

   University graduates are busy job hunting at the recruitment fair.

   Source: Dong Chinese Dictionary