Perhaps you should try some spelling variations:
tuan khai » than khai, quang khai, tuong khai
tan tuan » tran tuan, than tuan, van tuan
kho tang » cao tang
khai cua » thai cua, hai cua, khi cua
cua tre » cua te, cuu tre, cua triet
tang xa » trang xa, tang ma, lang xa
ve cham » ve chat, ve chim, viet cham
cac kho » cac khoi, cac khoa, cac khu
va cham » va chat, va tham
vu cham » vu kham, tu cham, qua cham
su cac » tu cac, su cao, su can

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cac kho tang xa hoi. hieu ((((ve cham) OR (va cham))) or (vu cham)) duc tan tuan khai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac kho tang xa hoi. hieu ((((ve cham) OR (va cham))) OR (vu cham)) duc tan tuan khai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cac kho tang xa hoi. hieu ((((ve cham) OR (va cham))) or (vu cham)) duc tan tuan khai cua tre*".