Perhaps you should try some spelling variations:
tham loc » tham nuoc, cham soc, hau loc
hanh vai » hanh vi, hanh va, hanh tai
ky lang » ky dang, ky tang, tay lang
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
te cac » tu cac, ve cac, te cao
nuoc » quoc, duoc, ngoc

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 lang) or (ky nang)) xa hoi. hieu va ((tham loc) or (nha nuoc)) va hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ((ky lang) OR (ky nang)) xa hoi. hieu va ((tham loc) OR (nha nuoc)) va hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: te cac ((ky lang) or (ky nang)) xa hoi. hieu va ((tham loc) or (nha nuoc)) va hanh vai cua tre*.