Perhaps you should try some spelling variations:
chan thuong » phan thuong, han thuong, hang thuong
trinh luan » trinh luat, trinh quan, trinh han
nhat huong » nhat thuong, chat huong, chat luong
cong chan » cong nhan, cong chat, cong khan
cong nhat » cong nhan, cong ha, cong suat
luan san » luan hoan, luan phan, luan nang
thi cong » thien cong
san tai » sang tai, van tai, han tai
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 luan san tai cong chan thuong ) or ( cong trinh luan van thi cong nhat huong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( cong trinh luan san tai cong chan thuong ) OR ( cong trinh luan van thi cong nhat huong )).
• Adding a wildcard symbol may retrieve word variants: (( cong trinh luan san tai cong chan thuong ) or ( cong trinh luan van thi cong nhat huong ))*.