Perhaps you should try some spelling variations:
ban hang » ngan hang
chat xuc » chat huu, cam xuc, chao xu
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
va chat » van chat, va phat, cao chat
hieu va » lieu va, hieu qua
ly nang » ky nang, ly hang, ly vang
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di 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 ly nang x hoi. hieu va chat xuc ((((ban thanh) OR (ban hanh))) or (ban hang)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly nang x hoi. hieu va chat xuc ((((ban thanh) OR (ban hanh))) OR (ban hang)) vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ly nang x hoi. hieu va chat xuc ((((ban thanh) OR (ban hanh))) or (ban hang)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ly nang x hoi. hieu va chat xuc ((((ban thanh) OR (ban hanh))) or (ban hang)) vi cua tre*.