Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thien danh » thien anh, thien dang, thien thanh
thanh tran » thanh trang, thanh toan, thanh tra
quang hang » quang hoang, quang khang, quang thang
hang cong » dang cong, hang nong, bang cong
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang van, luan van

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 danh)) - thanh tran quang hang cong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien danh)) - thanh tran quang hang cong tan van ban*.