Perhaps you should try some spelling variations:
tinh sang » tinh quang, tinh trang, trinh san
dung lamd » dung land, dung nam, dung cam
sang quan » nang quan, tang quan, hang quan
kien soat » kiem soat, bien soan, kien hoa
dung lam » dung luan, dung tai, dung dat
van hieu » cao hieu
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: (( tin ((dung lamd) or (dung lam)) van hieu qua ) or ( tinh sang quan ha kien soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin ((dung lamd) OR (dung lam)) van hieu qua ) OR ( tinh sang quan ha kien soat )).
• Adding a wildcard symbol may retrieve word variants: (( tin ((dung lamd) or (dung lam)) van hieu qua ) or ( tinh sang quan ha kien soat ))*.