Perhaps you should try some spelling variations:
nhat thuong » nhat huong, phan thuong, luat thuong
cong nhat » cong nhan, cong ha, cong suat
tac luong » tac long, tac thuong, truc luong
luat van » luan van, luat dan, luat va
thi cong » tai cong, thien cong
cong tac » cong ty
van thi » van tai, dan thi, van thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( cong trinh luat van thi cong nhat thuong ) or ( cong trinh luat van thi cong tac luong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( cong trinh luat van thi cong nhat thuong ) OR ( cong trinh luat van thi cong tac luong )).
• Adding a wildcard symbol may retrieve word variants: (( cong trinh luat van thi cong nhat thuong ) or ( cong trinh luat van thi cong tac luong ))*.