Perhaps you should try some spelling variations:
thi chieu » thi chien, thi hieu, theo chieu
ban trong » bai trong, ban tuong, ben trong
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
le trong » le trung, ly trong, le tang
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
va dung » van dung, va duong, vat dung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (thi chieu)) sang - ((ban trong) or (le trong)) va dung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (thi chieu)) sang - ((ban trong) OR (le trong)) va dung cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (thi chieu)) sang - ((ban trong) or (le trong)) va dung cong tan toan cau*.