Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien danh
tran hoang » tran hong, quan hoang, tran quang
thien anh » thien danh, tien anh, thien thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
hang cong » dang cong, hang nong, bang cong
hoang va » hoang van, hang va, hoang ha
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau
va hang » van hang, va nang, va lang

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) or (thien anh))) or (hieu manh)) - tran hoang va hang cong tan tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (thien anh))) OR (hieu manh)) - tran hoang va hang cong tan tran cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) or (thien anh))) or (hieu manh)) - tran hoang va hang cong tan tran cau*.