Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc chieu » ho chieu, hoc dieu, hoc thiet
hoc thieu » toc thieu
hanh tran » hanh trang, thanh tran, hanh tram
van nhung » van nhuong, va nhung, van hung
tran van » luan van
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 chieu) or (((hoc thieu) OR (hoc hien)))) xanh - hanh tran van nhung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (((hoc thieu) OR (hoc hien)))) xanh - hanh tran van nhung cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (((hoc thieu) OR (hoc hien)))) xanh - hanh tran van nhung cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (((hoc thieu) OR (hoc hien)))) xanh - hanh tran van nhung cong tan toan cau*.