Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
thanh tran » thanh trang, thanh toan, thanh tra
chu khong » he khong, thi khong, chu trong
hung cong » nhung cong, hung cuong, phung cong
tran van » luan van
van hung » van dung, manh hung, van duong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu khang) or (chu khong)) - thanh tran van hung cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu khang) OR (chu khong)) - thanh tran van hung cong dan than tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu khang) or (chu khong)) - thanh tran van hung cong dan than tap*.