Perhaps you should try some spelling variations:
trinh luan » trinh luat, trinh quan, trinh toan
nhat luong » chat luong, nhat thuong, chat long
nhat huong » nhat thuong, chat huong, chat luong
cong nhat » cong nhan, cong ha, cong suat
trinh han » trinh quan
van thien » van tien, van hien, van chien
thi cong » tai cong
van thi » van tai, dan thi, van thu
han van » phan van, nhan van, hanh van

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 han van thien cong nhat huong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( cong trinh luan van thi cong nhat luong ) OR ( cong trinh han van thien cong nhat huong )).
• Adding a wildcard symbol may retrieve word variants: (( cong trinh luan van thi cong nhat luong ) or ( cong trinh han van thien cong nhat huong ))*.