Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
lang van » dang van, hoang van, giang van
danh vai » danh sai, danh va, doanh van
tang van » dang van, hoang van, trong van
vai cua » dai cua, hai cua, lai cua
te sach » toc sach
van cam » van nam, van lam, van cau
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
tac va » tac da, tac xa, tuc va

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 ((lang van) OR (tang van)) hoi. hieu van cam ((tac va) or (duc va)) danh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ((lang van) OR (tang van)) hoi. hieu van cam ((tac va) OR (duc va)) danh vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty ((lang van) OR (tang van)) hoi. hieu van cam ((tac va) or (duc va)) danh vai cua tre*".