Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tran » thanh trang, thanh toan, thanh tra
tuan nhung » quan nhung, tuan hung, thuat nhung
hoc thieu » toc thieu, hoc hien
tran tuan » tran xuan, tran quang, tran thanh
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh
than cau » phan cau, than cap, thanh chau
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 xanh - thanh tran tuan nhung ((cong ban) OR (cong tan)) ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tran tuan nhung ((cong ban) OR (cong tan)) ((than cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh tran tuan nhung ((cong ban) OR (cong tan)) ((than cau) or (toan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tran tuan nhung ((cong ban) OR (cong tan)) ((than cau) or (toan cau))*.