Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
manh trung » manh tung, thanh trung, manh hung
hoc thieu » toc thieu, hoc hien
trung ha » trung hoc, trung tam, trung cap
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
ha dung » hai dung, kha dung, nha dung

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 - manh trung ha dung ((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 - manh trung ha dung ((cong ban) OR (cong tan)) ((than cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - manh trung ha dung ((cong ban) or (cong tan)) ((than cau) or (toan cau))*.