Perhaps you should try some spelling variations:
luan trong » quan trong, luat trong, luan tuong
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
doc hieu » hoc thieu, hoc hien
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, luan phan
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) OR (toc thieu)) manh - hanh tang luan trong cong van phan cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) OR (toc thieu)) manh - hanh tang luan trong cong van phan cac".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) OR (toc thieu)) manh - hanh tang luan trong cong van phan cac*.