Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
hieu van » hieu va, thien van, lieu va
thanh va » thanh van, hanh va, thanh ha
sach ty » sach y, sach tu, sach thu
ty lang » tay lang, ty xang, ty hang
lang xa » lang ha, dang xay, lang van
van lam » van nam
lam xuc » cam xuc, lam duoc
xuc va » duc va, tuc va, luc va
cua te » cua tu

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 ty lang xa hoi. hieu van lam xuc va ((hanh vi) or (thanh va)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty lang xa hoi. hieu van lam xuc va ((hanh vi) OR (thanh va)) cua te.
• Adding a wildcard symbol may retrieve word variants: toc sach ty lang xa hoi. hieu van lam xuc va ((hanh vi) or (thanh va)) cua te*.