Perhaps you should try some spelling variations:
khanh luan » khanh thuan, doanh luan, hang luan
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
thi dieu » thi lien, thi hien, vi dieu
cong tac » cong ty
bang cau » hang cau, bang cac, nang cao
luan va » luan van, luat va
can cau » van cau, ban cau, ca cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (thi dieu)) xanh - khanh luan va nhung cong tac ((bang cau) or (can cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (thi dieu)) xanh - khanh luan va nhung cong tac ((bang cau) OR (can cau)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (thi dieu)) xanh - khanh luan va nhung cong tac ((bang cau) or (can cau))*.