Perhaps you should try some spelling variations:
luan trong » quan trong, luat trong, luan tuong
hoc thieu » hoc hien
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
cong tan » cong tac, cong san, cong thanh
tan chan » dan chan, ban chan, can chan
chan cao » chan cho, chat cao, chay cao

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 (toc thieu)) manh - hanh tang luan trong cong tan chan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) manh - hanh tang luan trong cong tan chan cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) manh - hanh tang luan trong cong tan chan cao*.