Perhaps you should try some spelling variations:
qua nhung » quan nhung, cua nhung, qua chung
chu sach » thu sach, chieu sach, chuc hach
cau sach » cao sach, hau sach, rau sach
anh tang » anh bang, anh dang, anh nang
tang qua » tang quan, tang cua, tang quy
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
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 (cau sach)) - anh tang qua nhung ((cong tan) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chu sach) OR (cau sach)) - anh tang qua nhung ((cong tan) OR (cong san)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chu sach) OR (cau sach)) - anh tang qua nhung ((cong tan) or (cong san)) toan ban".
• Adding a wildcard symbol may retrieve word variants: cho ((chu sach) OR (cau sach)) - anh tang qua nhung ((cong tan) or (cong san)) toan ban*.