Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doi chi, ho chieu, mot chieu
doc hieu » hoc thieu, hoc hien
tranh va » tranh van, trang va, trinh va
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc thieu) or (((doi chieu) or (doc hieu)))) xanh - hanh tranh va nhung cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (((doi chieu) OR (doc hieu)))) xanh - hanh tranh va nhung cong dan than ban.
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (((doi chieu) or (doc hieu)))) xanh - hanh tranh va nhung cong dan than ban*.