Perhaps you should try some spelling variations:
truong luan » truong quan, truong luat, truong quang
minh truong » minh tuong, sinh truong, minh thuong
dung quan » dung quang, dung luan, luong quan
hieu soat » hieu suat, hieu hoat, kiem soat
hieu luat » hieu qua
quan van » quan va, quan luan, quan doan
van ke » van ket, van de, van ky

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

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