Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thanh chau » thanh cha, thanh cham, thanh chu
hoc thieu » toc thieu, hoc hien
tranh va » tranh van, trang va, trinh va
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
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: hoc thieu sach - canh tranh va nhung ((cong tan) OR (cong tac)) ((thanh chau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - canh tranh va nhung ((cong tan) OR (cong tac)) ((thanh chau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - canh tranh va nhung ((cong tan) OR (cong tac)) ((thanh chau) or (toan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - canh tranh va nhung ((cong tan) OR (cong tac)) ((thanh chau) or (toan cau))*.