Perhaps you should try some spelling variations:
quang thanh » quan thanh, hoang thanh, muong thanh
quang binh » quang ninh
minh tuong » minh tuan, minh quang
tuong luan » truong luan, tong luan, thong luan
hieu soat » hieu suat, hieu hoat, hieu luat
tien soat » trien hoat, thien hoat, kiem soat
van tien » toan tien, van hieu, van tuan
tin » tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tin dung ((quang thanh) or (quang binh)) hieu soat ) or ( minh tuong luan van tien soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung ((quang thanh) OR (quang binh)) hieu soat ) OR ( minh tuong luan van tien soat )).
• Adding a wildcard symbol may retrieve word variants: (( tin dung ((quang thanh) or (quang binh)) hieu soat ) or ( minh tuong luan van tien soat ))*.