Perhaps you should try some spelling variations:
thuat thanh » thuan thanh, thuat than, thuat toan
thanh lay » thanh lap, thanh tay, thanh lam
lay nang » may nang, day nang, ly nang
hanh vai » hanh vi, hanh va, hanh tai
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
ve cau » ke cau, va cau, ve cac
luc va » duc va, tuc va, loc va
x hoi » xa hoi, o hoi
5 hoi » o hoi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thuat thanh lay nang ((((x hoi) OR (5 hoi))) or (x ho)). hieu ve cau luc va hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat thanh lay nang ((((x hoi) OR (5 hoi))) OR (x ho)). hieu ve cau luc va hanh vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat thanh lay nang ((((x hoi) OR (5 hoi))) or (x ho)). hieu ve cau luc va hanh vai cua tre*".