Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh van » thanh san, thanh toan, thanh phan
chat xuc » chat huu, cam xuc, chao xu
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
xay hoi » xa hoi, cay phoi, gay thoi
tay hoi » tay ho, tao hoi, tay thai
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
xuc ban » duc ban, cuc ban, quoc ban
van duy » van dung
duy tre » duc tre, duy tri, duy tue

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 ky nang ((xay hoi) or (tay hoi)). hieu ve chat xuc ban thanh van duy tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((xay hoi) OR (tay hoi)). hieu ve chat xuc ban thanh van duy tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((xay hoi) or (tay hoi)). hieu ve chat xuc ban thanh van duy tre*.