Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
cua viet » ca viet, hoa viet, cua vat
tu sach » su sach, te sach, tu cach
tang ma » mang may, tang van
va cham » va chat, va tham
soc van » hoc van, oc van, sac van
van anh » van thanh, tuan anh, van minh
cuu tre » cua tre, cau tren, cau treo
y tang » ky tang, 6 tang, 7 tang
ma hoi » mai hoi, xa hoi, ma hoa
anh vi » hanh vi, anh va, anh ve

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)) y tang ma hoi. lieu va cham soc van anh vi ((cuu tre) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) y tang ma hoi. lieu va cham soc van anh vi ((cuu tre) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) y tang ma hoi. lieu va cham soc van anh vi ((cuu tre) or (cua viet))*.