Perhaps you should try some spelling variations:
trinh luan » trinh quan, trinh han, trinh toan
nhan luong » nhan tuong, phan luong, nang luong
cong chat » cong nhat, cong cua, cong ha
dung nhan » dung luan
luat van » luat dan, luat va, luat ban
tai dung » trai dung, thi dung, mai dung
van tai » von tai, van tuan

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 tai cong chat luong ) or ( cong trinh luan van tai dung nhan luong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( cong trinh luat van tai cong chat luong ) OR ( cong trinh luan van tai dung nhan luong )).
• Adding a wildcard symbol may retrieve word variants: (( cong trinh luat van tai cong chat luong ) or ( cong trinh luan van tai dung nhan luong ))*.