Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chiet tach » chieu sach
tieu sach » chieu sach, dien sach, te sach
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong thanh
toan cau » 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 ((tieu sach) or (chiet tach)) - canh manh cua nhung cong tan ((toan cau) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sach) OR (chiet tach)) - canh manh cua nhung cong tan ((toan cau) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sach) or (chiet tach)) - canh manh cua nhung cong tan ((toan cau) or (van ban))*.