Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
tranh luan » trinh luan, trinh luat, doanh luan
trinh quan » tinh quang, trinh luat, trinh han
hoc thieu » toc thieu, hoc hien
thanh cau » thanh chau, thanh mau, nhanh cau
cong ban » cong bang, cong tan, cong dan
cong san » cong tac

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 xanh - canh ((tranh luan) or (trinh quan)) tong ((cong ban) OR (cong san)) thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh ((tranh luan) OR (trinh quan)) tong ((cong ban) OR (cong san)) thanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh ((tranh luan) or (trinh quan)) tong ((cong ban) OR (cong san)) thanh cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh ((tranh luan) or (trinh quan)) tong ((cong ban) OR (cong san)) thanh cau*.