Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chieu » ho chieu, theo chu, thi chieu
tranh va » tranh van, trang va, trinh va
tran van » luan van
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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 (theo tieu)) xanh - canh ((tranh va) or (tran van)) nhung cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) xanh - canh ((tranh va) OR (tran van)) nhung cong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) xanh - canh ((tranh va) or (tran van)) nhung cong dan phan cau*.