Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
chat xuc » chat huu, cam xuc, chao xu
ty nang » ky nang, ty hang, ly nang
va chat » van chat, va phat, cao chat
dau thi » cau thi, dan thi, dao thi
cuu tre » cua tre, cau tren
tu sach » thu sach, su sach, te sach
xuc va » duc va, tuc va, luc va
va dau » va dao

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