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