Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
hieu van » hieu va, thien van, lieu va
te sach » toc sach
lao luc » bao luc
hanh ve » hanh vi, hanh va, hanh kem
cua tre » cua te, cuu tre, cua triet
sach ty » sach y, sach tu, sach thu
lam luc » lam duoc
lang xa » lang ha, dang xay, lang van
ty lang » tay lang, ty xang, ty hang

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