Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
chat xuc » chat huu, cam xuc, chao xu
thanh de » hanh de, thanh ve, thanh do
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
ly nang » ky nang, ly hang, ly vang
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cuu tre, cua triet
de cua » le cua, te cua, dieu cua

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 (su sach)) ly nang x ho. hieu va chat xuc ban thanh de cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (su sach)) ly nang x ho. hieu va chat xuc ban thanh de cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (su sach)) ly nang x ho. hieu va chat xuc ban thanh de cua tre*.