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
cuu tre » cua tre, cau tren
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
va cham » va chat, va tham
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang

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 lang xa hoi. hieu va cham xuc ((van ban) 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 lang xa hoi. hieu va cham xuc ((van ban) OR (van thanh)) vinh ((cuu tre) OR (cau treo)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky lang xa hoi. hieu va cham xuc ((van ban) or (van thanh)) vinh ((cuu tre) or (cau treo))*.