Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thu lang » thu hang, thu bang, tho lang
van hanh » ban hanh, van anh, van ban
phu lang » phap lang, phu khang, phu luong
van cham » van chat, van tham, va cham
soc van » hoc van, oc van, sac van
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
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: te sach ((thu lang) or (phu lang)) xa hoi. hieu ((van cham) or (van thanh)) soc van hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((thu lang) OR (phu lang)) xa hoi. hieu ((van cham) OR (van thanh)) soc van hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((thu lang) or (phu lang)) xa hoi. hieu ((van cham) or (van thanh)) soc van hanh vi cua tre*.