Perhaps you should try some spelling variations:
tuan thai » xuan thai, tuan khai, tuan tai
kho tang » cao tang
thai cua » than cua, tai cuc, tri cua
cac kho » cac khoi, cac khoa, cac khu
tang xa » trang xa, tang ma, lang xa
ve cham » va cham, ve chat, ve chim
vu cham » va cham, vu kham, tu cham
duc van » duc va, duc manh, duc phan
cua tre » cua te, cuu tre, cua triet
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 (vu cham)) ((duc van) or (duc tan)) tuan thai 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 (vu cham)) ((duc van) OR (duc tan)) tuan thai cua tre.
• Adding a wildcard symbol may retrieve word variants: su cac kho tang xa hoi. hieu ((ve cham) or (vu cham)) ((duc van) or (duc tan)) tuan thai cua tre*.