Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
phat phap » pham phap, phap phat, phap phan
phan phap » pham phap, phan phat, han phap
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: theo chieu xanh - thanh tung ((phat phap) or (phan phap)) cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh tung ((phat phap) OR (phan phap)) cong tan toan cau*.