Perhaps you should try some spelling variations:
trinh luan » trinh luat, trinh quan, trinh han
chien cong » chien chong, hien cong, chien dong
van chien » van hien, van hieu, van tien
van thien » van tien, van hien, van thiet
da luong » dai luong, do luong, du luong
cong da » cong dan, cong dac, cong dau
cong ha » cong hoa, dong ha, cong tac
ha long » hai long, ha dong, chat long

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