Perhaps you should try some spelling variations:
tham soc » tham nuoc, thai son, ham so
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
te cac » tu cac, ve cac, te cao
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: te cac ky tang xa hoi. hieu va ((tham soc) or (cham soc)) va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky tang xa hoi. hieu va ((tham soc) OR (cham soc)) va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te cac ky tang xa hoi. hieu va ((tham soc) or (cham soc)) va hanh vi cua tre*.