Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chieu » theo tieu, theo chu, thi chieu
ho chieu » hoc thieu, doi chieu, mot chieu
tranh va » tranh van, trang va, trinh va
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh 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: ((((ho chieu) or (theo chieu))) or (hoc hien)) sang - canh tranh va nhung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (theo chieu))) OR (hoc hien)) sang - canh tranh va nhung cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) or (theo chieu))) or (hoc hien)) sang - canh tranh va nhung cong dan toan cau*.