Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
hieu van » hieu va, thien van, lieu va
thanh vi » hanh vi, thanh va, thanh ve
cua tre » cuu tre, cua triet, dua tren
dao van » do van, dang van
bac dao » bac dai, tac dao, ba dao
van bac » van ban, van bao, van hac
te sach » toc sach
ly hang » ly quang
ty nang » ky nang, ty xang, ty hang
cua te » cua tu
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: te sach ((ty nang) or (ly hang)) x hoi. hieu van bac dao van thanh vi ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty nang) OR (ly hang)) x hoi. hieu van bac dao van thanh vi ((cua tre) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ty nang) or (ly hang)) x hoi. hieu van bac dao van thanh vi ((cua tre) OR (cua te))*".