Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
quang dung » quang trung, ung dung, cuong dung
hieu lang » chieu sang, hieu quang, nhieu tang
hoang van » hang va
van quang » van quan, tran quang, van tuan
dung cong » dung trong
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: chao ((hieu lang) or (chieu sach)) - hoang van quang dung cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((hieu lang) OR (chieu sach)) - hoang van quang dung cong tan toan ban*.