Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
so sach » so sanh, bo sach, co sach
van anh » van thanh, van minh
ve cham » va cham, ve chat, vu cham
sach ly » sach y, sach lo, sach ty
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
ly nang » ky nang, ly hang, ly vang
cua tre » cua te, cuu tre, cua triet
ma hoi » xa hoi, ma hoa, me hoi
di cua » dai cua, doi cua, de cua
tuan » quan, tran, luan

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ly nang ((ma hoi) OR (mai hoi)). hieu ve cham xuc ((van anh) or (tuan anh)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ly nang ((ma hoi) OR (mai hoi)). hieu ve cham xuc ((van anh) OR (tuan anh)) di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ly nang ((ma hoi) OR (mai hoi)). hieu ve cham xuc ((van anh) or (tuan anh)) di cua tre".
• Adding a wildcard symbol may retrieve word variants: so sach ly nang ((ma hoi) OR (mai hoi)). hieu ve cham xuc ((van anh) or (tuan anh)) di cua tre*.