Perhaps you should try some spelling variations:
cau theo » cau thi, cau tao
cham xuc » cam xuc, chat xuc, cham soc
thu sach » thuat sach, thuoc sach, thu hoach
van sinh » van minh, va sinh, van dinh
cuu tre » cua tre, cau tren, cau treo
xuc van » duc van, luc van, vuc van
tu sach » su sach, te sach, tu cach
nang ma » tang ma, sang ma, nang cao
va cham » va chat, va tham
ma hoi » mai hoi, xa hoi, ma hoa

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 (thu sach)) ky nang ma hoi. lieu va cham xuc van sinh vat ((cuu tre) or (cau theo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang ma hoi. lieu va cham xuc van sinh vat ((cuu tre) OR (cau theo)).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky nang ma hoi. lieu va cham xuc van sinh vat ((cuu tre) or (cau theo))*.