Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
thi chien » thi hien, thi thien, thien chien
tranh cua » doanh cua, manh cua
ban cong » bang cong, van cong, phan cong
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: ((hoc thieu) or (thi chien)) xanh - canh tranh cua ban cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (thi chien)) xanh - canh tranh cua ban cong dan than ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (thi chien)) xanh - canh tranh cua ban cong dan than ban*.