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