Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tranh » canh tranh, hanh trinh, hanh trang
tan thanh » tran thanh, tang thanh, toan thanh
thanh cac » hanh cac, thanh bac, thanh ca
ho chieu » theo chieu, hoc thieu, doi chieu
thi hieu » thi chieu, thi hien, thi dieu
tranh va » tranh van, trang va, trinh va
cong tan » cong tac, cong san, cong thanh

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 tieu) or (thi hieu)))) xanh - hanh tranh va nhung cong tan thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (((theo tieu) OR (thi hieu)))) xanh - hanh tranh va nhung cong tan thanh cac.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (((theo tieu) or (thi hieu)))) xanh - hanh tranh va nhung cong tan thanh cac*.