Perhaps you should try some spelling variations:
minh tuong » minh tuan, minh quang
trinh cong » trinh dung
cong quan » cuong quan, cong quang, tong quan
hieu soat » hieu suat, hieu hoat, hieu luat
quan van » quan va, quan luan, quan doan
luat van » luat dan, luat va, luat ban
van ke » van ket, van de, van ky
luan » lan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( trinh cong quan van ke toan ) or ( minh tuong ((luat van) OR (luan van)) hieu soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( trinh cong quan van ke toan ) OR ( minh tuong ((luat van) OR (luan van)) hieu soat )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( trinh cong quan van ke toan ) or ( minh tuong ((luat van) OR (luan van)) hieu soat ))".
• Adding a wildcard symbol may retrieve word variants: (( trinh cong quan van ke toan ) or ( minh tuong ((luat van) OR (luan van)) hieu soat ))*.