Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thien danh » thien anh, thien dang, thien thanh
nhung cong » thong cong, hang cong, nhung don
hanh tran » hanh trang, thanh tran, hanh tram
dung cong » dung trong
van thanh » ban thanh, van tuan
thanh cao » thanh ca, thanh cac, thanh thao
tran 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)) - hanh tran van ((nhung cong) OR (dung cong)) van thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien danh)) - hanh tran van ((nhung cong) OR (dung cong)) van thanh cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien danh)) - hanh tran van ((nhung cong) OR (dung cong)) van thanh cao*".