Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
dieu cua » dieu tra
cham xuc » cam xuc, chat xuc, cham soc
va dang » van dang, va nang, va lang
sach ty » sach y, sach tu, sach thu
hieu va » lieu va
mang xa » mang may, dang xay, mang cua
lang xa » lang ha, dang xay, lang van
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 ((mang xa) or (lang xa)) hoi. ((hieu va) or (hieu qua)) cham xuc va dang dieu cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty ((mang xa) OR (lang xa)) hoi. ((hieu va) OR (hieu qua)) cham xuc va dang dieu cua te.
• Adding a wildcard symbol may retrieve word variants: toc sach ty ((mang xa) or (lang xa)) hoi. ((hieu va) or (hieu qua)) cham xuc va dang dieu cua te*.