Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
thanh huong » thanh hung, thanh cong, anh huong
thieu sang » chieu sang, thieu quang, hieu lang
nhung cong » dung cong, thong cong, hang cong
tan chinh » tai chinh, lan chinh, van chinh
huong va » thuong va, luong va, duong va
cong tan » cong tac, cong san, cong thanh
chinh ca » chinh ta, chinh va, chinh tai

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 sang) or (thieu khang)) - thanh huong va nhung cong tan chinh ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sang) OR (thieu khang)) - thanh huong va nhung cong tan chinh ca*.