Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
canh trinh » canh tranh, hanh trinh, canh tinh
trinh luan » trinh luat, trinh quan, trinh han
hoc thieu » toc thieu, hoc hien
luan bong » luan cong, luat bong, luan dong
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
than cau » toan cau, phan cau, than cap

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 trinh luan bong ((cong tan) OR (cong san)) than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - canh trinh luan bong ((cong tan) OR (cong san)) than cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - canh trinh luan bong ((cong tan) OR (cong san)) than cau*.