Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cau treo » cau theo, cau tren, cau triet
cham xuc » cam xuc, chat xuc, cham soc
van hanh » ban hanh, van anh, van ban
va cham » va chat, va tham
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
cuu tre » cua tre, cau tren
tu sach » thu sach, su sach, te sach

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 xa hoi. hieu va cham xuc ((van hanh) or (van thanh)) vinh ((cuu tre) OR (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu va cham xuc ((van hanh) OR (van thanh)) vinh ((cuu tre) OR (cau treo)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. hieu va cham xuc ((van hanh) or (van thanh)) vinh ((cuu tre) OR (cau treo))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu va cham xuc ((van hanh) or (van thanh)) vinh ((cuu tre) OR (cau treo))*.