Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
xua van » xua va, qua van, cua van
nam xua » nam cua, nam mua, nam qua
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
so sanh » do sanh
cua tre » cua te, cuu tre, cua triet
va nam » van nam, ha nam, va nay
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((tu cach) or (tu cac))) or (so sanh)) ky tang xa hoi. lieu va nam xua van thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu cach) OR (tu cac))) OR (so sanh)) ky tang xa hoi. lieu va nam xua van thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((((tu cach) or (tu cac))) or (so sanh)) ky tang xa hoi. lieu va nam xua van thanh vi cua tre*.