Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
thieu sang » chieu sang, thieu khang, thieu quang
cua truong » cua trung, xuan truong, cac truong
hoc thieu » toc thieu, hoc hien
anh tang » anh dang, anh nang, anh sang
anh bang » anh hoang, anh quang, tinh bang
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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 - ((anh tang) or (anh bang)) cua truong cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - ((anh tang) OR (anh bang)) cua truong cong tan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - ((anh tang) or (anh bang)) cua truong cong tan toan ban*.