Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
canh trinh » canh tranh, hanh trinh, canh tinh
dung cong » dung trong
ho chieu » hoc thieu, doi chieu, mot chieu
trinh vi » trinh va, trinh ve, trinh viet
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban
vi dung » va dung, vi ung, vi dong

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) or (ho chieu)) sang - canh trinh vi dung cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sang - canh trinh vi dung cong tan toan tap.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) sang - canh trinh vi dung cong tan toan tap*.