Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
nang quan » ban quan, nang suat
tang quan » tang luan, tong quan, thong quan
chu sach » cau sach, chieu sach, chuc hach
thu sach » tu sach, thuat sach, thuoc sach
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: cho ((chu sach) OR (thu sach)) - anh ((tang quan) or (nang quan)) nhung cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chu sach) OR (thu sach)) - anh ((tang quan) OR (nang quan)) nhung cong tan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chu sach) OR (thu sach)) - anh ((tang quan) or (nang quan)) nhung cong tan toan ban".
• Adding a wildcard symbol may retrieve word variants: cho ((chu sach) OR (thu sach)) - anh ((tang quan) or (nang quan)) nhung cong tan toan ban*.