Perhaps you should try some spelling variations:
trien hoat » tien hoa
van trien » van tien, va trien, van tren
kiem soat » kiem toan
dung do » dung doi, dung co, dung mo
luan va » luan van, luat va
va kiem » van kien
do van » dao van, vo van, so van
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 do van trien hoat ) or ( trinh dung luan va kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung do van trien hoat ) OR ( trinh dung luan va kiem soat ))*.