Perhaps you should try some spelling variations:
xanh dai » vanh dai, xanh di, xanh tai
thu sach » thuat sach, thuoc sach, thu hoach
van xanh » van anh, van hanh, van manh
cham xuc » cam xuc, chat xuc, cham soc
tu sach » su sach, te sach, tu cach
xuc van » duc van, luc van, vuc van
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
ky sang » ky nang, ky dang, ky tang
ma hoi » mai hoi, ma hoa, me hoi

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

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