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
van chao » van chat, van hao, van cho
cua tre » cua te, cuu tre, cua triet
te sach » toc sach
ty hang » ly hang, ty xang, thi hang
ty lang » tay lang, ty xang, tu lang
xu van » tu van, vu van, su van
cua tu » cua tuc, cua su, cua cu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty lang) OR (ty hang)) xa hoi. hieu van chao xu van thanh vi ((cua tre) OR (cua tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ty lang) OR (ty hang)) xa hoi. hieu van chao xu van thanh vi ((cua tre) or (cua tu))~".
• Adding a wildcard symbol may retrieve word variants: te sach ((ty lang) OR (ty hang)) xa hoi. hieu van chao xu van thanh vi ((cua tre) or (cua tu))*.