Perhaps you should try some spelling variations:
canh trang » canh tranh, hanh trang, banh trang
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
trang va » tran van, hang va
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
phan lap » phan dau
va hang » van hang, va nang, va lang

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)) tinh - canh trang va hang ((cong tan) or (cong tac)) phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc thieu)) tinh - canh trang va hang ((cong tan) OR (cong tac)) phan lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (hoc thieu)) tinh - canh trang va hang ((cong tan) or (cong tac)) phan lap".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) OR (hoc thieu)) tinh - canh trang va hang ((cong tan) or (cong tac)) phan lap*.