Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
dang xay » dang van, van xay
sach ty » sach y, sach tu, sach thu
xuc ban » duc ban, cuc ban, quoc ban
hieu va » lieu va, hieu qua
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
va cam » va cham, va cac, va cao
di cua » doi cua, de cua, do cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty ((nang xa) or (dang xay)) hoi. hieu va cam xuc ban thanh ((di cua) OR (dai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty ((nang xa) OR (dang xay)) hoi. hieu va cam xuc ban thanh ((di cua) OR (dai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty ((nang xa) or (dang xay)) hoi. hieu va cam xuc ban thanh ((di cua) OR (dai cua)) te".
• Adding a wildcard symbol may retrieve word variants: su sach ty ((nang xa) or (dang xay)) hoi. hieu va cam xuc ban thanh ((di cua) OR (dai cua)) te*.