Perhaps you should try some spelling variations:
xquang van » quang van, quang ban, quang uan
nhung cong » dung cong, thong cong, hang cong
theo moi » tho moi, theo doi, thep moi
moi sach » hoc sach, bo sach, co sach
quan van » luan van, quan va, quan luan
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: theo moi sach - anh ((xquang van) or (quan van)) nhung cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo moi sach - anh ((xquang van) OR (quan van)) nhung cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: theo moi sach - anh ((xquang van) or (quan van)) nhung cong tan toan cao*.