Perhaps you should try some spelling variations:
quang thanh » quan thanh, hoang thanh, muong thanh
trien hoat » tien hoa
chuan doan » chan doan
trinh han » trinh quan
han chuan » zhang chuan, doan chuan, phap chuan
doan kiem » toan kiem, hoan kiem, doan dieu
kiem soat » kiem toan
thanh va » thanh van, hanh va, thanh ha
va trien » va truyen, va thiet, va tuyen

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

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