Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
cham xuc » cam xuc, chat xuc, cham soc
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
ban dan » ban hang, ban hanh, ban quan
xuc ban » duc ban, cuc ban, quoc ban
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
dan de » dan den, dang de, van de
bang x » bang _, bang 2, bang l
cua tu » cua tuc, cua su, cua cu

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 thu ((bang x) OR (nang x)) hoi. hieu vu cham xuc ban dan de ((cua tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thu ((bang x) OR (nang x)) hoi. hieu vu cham xuc ban dan de ((cua tre) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thu ((bang x) OR (nang x)) hoi. hieu vu cham xuc ban dan de ((cua tre) or (cua tu))".
• Adding a wildcard symbol may retrieve word variants: te sach thu ((bang x) OR (nang x)) hoi. hieu vu cham xuc ban dan de ((cua tre) or (cua tu))*.