Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
vu sach » vu bach, su sach, vu khach
vai cua » dai cua, hai cua, lai cua
hieu va » lieu va, hieu qua
cam tuc » cam xuc, nam thuc, dam thuc
dang xa » dang xay, lang xa, dang ha
y dang » ky dang, 2 dang, _ dang
cam tu » cam thu, nam tu, dam tu
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach y dang xa hoi. hieu va ((cam tuc) or (cam tu)) ban thanh ((vai cua) or (di cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y dang xa hoi. hieu va ((cam tuc) OR (cam tu)) ban thanh ((vai cua) OR (di cua)) tre.
• Adding a wildcard symbol may retrieve word variants: vu sach y dang xa hoi. hieu va ((cam tuc) or (cam tu)) ban thanh ((vai cua) or (di cua)) tre*.