Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
tranh cua » doanh cua, manh cua
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, mot chieu
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) OR (ho chieu)) tinh - canh tranh cua dang cong tan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) tinh - canh tranh cua dang cong tan ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (ho chieu)) tinh - canh tranh cua dang cong tan ((toan cao) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (ho chieu)) tinh - canh tranh cua dang cong tan ((toan cao) or (toan tap))*.