Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
danh vai » danh sai, danh va, doanh van
cham xuc » cam xuc, chat xuc, cham soc
qua cham » qua hai, qua cac, va cham
vu sach » vu bach, su sach
vai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, va hanh
lang xa » lang ha, dang xay, lang van
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va

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) OR (vu khach)) ty ((lang xa) or (nang cao)) hoi. hieu qua cham xuc va danh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (vu khach)) ty ((lang xa) OR (nang cao)) hoi. hieu qua cham xuc va danh vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) OR (vu khach)) ty ((lang xa) or (nang cao)) hoi. hieu qua cham xuc va danh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) OR (vu khach)) ty ((lang xa) or (nang cao)) hoi. hieu qua cham xuc va danh vai cua tre*.