Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
cham xuc » cam xuc, chat xuc, cham soc
dang ha » dong ha, dung ha, lang ha
sach ky » sac ky, sach y, sach ty
dang xa » dang xay, lang xa, dang va
va hanh » van hanh, va thanh, va danh
vu sach » vu bach, su sach, vu khach
xuc va » duc va, tuc va, luc va
do cua » doi cua, co 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 ky ((dang xa) or (dang ha)) hoi. hieu qua cham xuc va hanh ((do cua) or (dai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky ((dang xa) OR (dang ha)) hoi. hieu qua cham xuc va hanh ((do cua) OR (dai cua)) triet.
• Adding a wildcard symbol may retrieve word variants: vu sach ky ((dang xa) or (dang ha)) hoi. hieu qua cham xuc va hanh ((do cua) or (dai cua)) triet*.