Perhaps you should try some spelling variations:
thuat lanh » thuat san
thuat lap » thuat xay, thuat bai, thuat bao
hieu van » hieu va, thien van, lieu va
hanh vai » hanh vi, hanh va, hanh tai
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
cau loc » hau loc, cau hoc, cau luc
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va
ly nang » ky nang, ly hang, ly vang
loc va » hoc va, luc va
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: ((thuat lanh) or (thuat lap)) ly nang x hoi. ((hieu ve) OR (hieu van)) cau loc va hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat lanh) OR (thuat lap)) ly nang x hoi. ((hieu ve) OR (hieu van)) cau loc va hanh vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuat lanh) or (thuat lap)) ly nang x hoi. ((hieu ve) OR (hieu van)) cau loc va hanh vai cua tre*".