Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cua viet » ca viet, hoa viet, cua vat
cham xuc » cam xuc, chat xuc, cham soc
qua cham » qua hai, qua cac, va cham
dang ha » dong ha, dung ha, lang ha
sach ky » sac ky, sach y, sach ty
dang xa » dang xay, lang xa, dang va
su sach » so sach, vu sach
va dao » ca dao
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: su sach ky ((dang xa) OR (dang ha)) hoi. hieu qua cham xuc ((ban thanh) or (va dao)) di cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((dang xa) OR (dang ha)) hoi. hieu qua cham xuc ((ban thanh) OR (va dao)) di cua viet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((dang xa) OR (dang ha)) hoi. hieu qua cham xuc ((ban thanh) or (va dao)) di cua viet*".