Perhaps you should try some spelling variations:
trinh luong » trinh duong, trinh huong, trinh xuong
luong quan » thong quan, duong qua
doan trien » doan thien, hoan thien, toan tien
trien hoat » tien hoa
quan doan » quan hoang, chuan doan, chan doan
tinh dung » trinh dung, tin dung, tinh huong
kien soat » kiem soat, bien soan, kien hoa
quan ha » quan he
ha kien » hai kien, hoa kien, va kien

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( trinh luong quan doan trien hoat ) or ( ((tinh dung) or (tinh quang)) quan ha kien soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( trinh luong quan doan trien hoat ) OR ( ((tinh dung) OR (tinh quang)) quan ha kien soat )).
• Adding a wildcard symbol may retrieve word variants: (( trinh luong quan doan trien hoat ) or ( ((tinh dung) or (tinh quang)) quan ha kien soat ))*.