Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
anh tang » anh bang, anh nang, anh sang
anh dang » anh dong, anh dung, anh bang
luan han » luan hoan, luan phan, luan van
han cong » phan cong, hang cong, hanh cong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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)) - ((anh tang) OR (anh dang)) luan han cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - ((anh tang) OR (anh dang)) luan han cong tan toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien anh)) - ((anh tang) OR (anh dang)) luan han cong tan toan cau*".