Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
van hanh » van thanh, ban hanh, van anh
hieu cao » chieu cao, hieu ca, kieu cao
hieu cac » hieu luc, hieu va, hieu van
chat xuc » chat huu, cam xuc, chao xu
cua tre » cua te, cuu tre, cua triet
hanh di » hanh vi, hanh de, hang di
xuc van » duc van, luc van, vuc van
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, o hoi, x ho

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) or (thuat lanh)) ky nang x hoi. ((hieu cao) OR (hieu cac)) chat xuc van hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (thuat lanh)) ky nang x hoi. ((hieu cao) OR (hieu cac)) chat xuc van hanh di cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cac) or (thuat lanh)) ky nang x hoi. ((hieu cao) OR (hieu cac)) chat xuc van hanh di cua tre*".