Perhaps you should try some spelling variations:
thuong chau » phuong cham, thuong chi, thuong han
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
thong cao » thong cac, thong cap, thong cau
luong tap » luong tai, cuong tap, luong tham
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban, toan 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 sang - thanh ((thong cao) or (thuong chau)) hang ((cong tan) or (luong tap)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh ((thong cao) OR (thuong chau)) hang ((cong tan) OR (luong tap)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh ((thong cao) or (thuong chau)) hang ((cong tan) or (luong tap)) toan cao*.