Perhaps you should try some spelling variations:
quang quynh » duong quynh
trinh quang » tinh quang, trinh quan, tranh quang
trien hoat » tien hoa
luat luan » luat quan, luat luat, luat quang
kiem soat » kiem toan
quynh van » huynh van, quynh lan, quynh bang
van trien » van tien, va trien, van tren
van kiem » va kiem, van kien, van hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( trinh luat luan van kiem soat ) or ( trinh quang quynh van trien hoat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( trinh luat luan van kiem soat ) OR ( trinh quang quynh van trien hoat )).
• Adding a wildcard symbol may retrieve word variants: (( trinh luat luan van kiem soat ) or ( trinh quang quynh van trien hoat ))*.