Perhaps you should try some spelling variations:
tham soc » cham soc, tham nuoc, thai son
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
cua tre » cua te, cuu tre, cua triet
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
soc va » hoc va, loc va, doc va
va dan » ca dan, va dao, va dau
dan vi » doan vi, don vi, dan va
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 sac ky lang xa hoi. ((lieu va) or (hieu qua)) tham soc va dan vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang xa hoi. ((lieu va) OR (hieu qua)) tham soc va dan vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky lang xa hoi. ((lieu va) or (hieu qua)) tham soc va dan vi cua tre*.