Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh ve » hanh ve, thanh va, thanh vien
chat xuc » chat huu, cam xuc, chao xu
xuc van » duc van, luc van, vuc van
va chat » van chat, va phat, cao chat
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
bang va » hang va, ban va, trang va
bang xa » lang xa, mang xa, ang xa
ve cua » le cua, de cua, te cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((sach tham) OR (sach nha)) ((bang xa) or (bang va)) hoi. hieu va chat xuc van thanh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach tham) OR (sach nha)) ((bang xa) OR (bang va)) hoi. hieu va chat xuc van thanh ve cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach tham) OR (sach nha)) ((bang xa) or (bang va)) hoi. hieu va chat xuc van thanh ve cua tre".
• Adding a wildcard symbol may retrieve word variants: toc ((sach tham) OR (sach nha)) ((bang xa) or (bang va)) hoi. hieu va chat xuc van thanh ve cua tre*.