Perhaps you should try some spelling variations:
luan trong » quan trong, luat trong, luan tuong
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
tang luan » dung luan
anh tang » anh bang, anh dang, anh nang
cong tac » cong ty
tac nhan » tao nhan, cac nhan, dac nhan
nhan cau » nhanh cau, phan cau, nhan sau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (hoc thieu)) sang - anh tang luan trong cong tac nhan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc thieu)) sang - anh tang luan trong cong tac nhan cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc thieu)) sang - anh tang luan trong cong tac nhan cau*.