Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, pham duc
ban hanh » ban hang
tu sach » thu sach, su sach, te sach
ban anh » ban banh, ban danh, bang anh
cua tre » cua te, cuu tre, cua triet
sach ty » sach y, sach tu, sach thu
hieu va » lieu va, hieu qua
ty nang » ky nang, ty xang, ty hang
da cua » dai cua, day cua, dan cua
x hoi » xa hoi, o hoi, x ho

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 ty nang x hoi. hieu va ((cham xuc) or (cham soc)) ((ban anh) OR (ban hanh)) da cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang x hoi. hieu va ((cham xuc) OR (cham soc)) ((ban anh) OR (ban hanh)) da cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang x hoi. hieu va ((cham xuc) or (cham soc)) ((ban anh) OR (ban hanh)) da cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang x hoi. hieu va ((cham xuc) or (cham soc)) ((ban anh) OR (ban hanh)) da cua tre*.