Perhaps you should try some spelling variations:
tham soc » cham soc, tham nuoc, thai son
nang ha » nang hai, nang han, nang hoa
hieu va » lieu va
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
ha hoi » hoa hoi, ha noi, xa hoi
soc va » hoc va, loc va, doc 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: tu cac ky nang ha hoi. ((hieu va) or (hieu qua)) tham soc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ha hoi. ((hieu va) OR (hieu qua)) tham soc va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ha hoi. ((hieu va) or (hieu qua)) tham soc va hanh vi cua tre*.