Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
hanh tran » hanh trang, thanh tran, hanh tram
van nhung » van nhuong, va nhung, van hung
tien anh » tieng anh, tien manh, dien anh
tran van » luan van
cong van » cong vang, cong san, song van
tuan cau » toan cau, quan cau, thuan cam
tuan cu » tuan tu, quan cua, tuan thu

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 (tien anh)) - hanh tran van nhung cong van ((tuan cau) OR (tuan cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (tien anh)) - hanh tran van nhung cong van ((tuan cau) OR (tuan cu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (tien anh)) - hanh tran van nhung cong van ((tuan cau) OR (tuan cu))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (tien anh)) - hanh tran van nhung cong van ((tuan cau) OR (tuan cu))*.