Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
mot chieu » doi chieu, ho chieu
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
minh va » tinh va, sinh va, sinh vat
anh va » hanh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (theo chieu)) tinh - canh ((anh va) or (minh va)) dung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo chieu)) tinh - canh ((anh va) OR (minh va)) dung cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (theo chieu)) tinh - canh ((anh va) or (minh va)) dung cong dan than cau*.