Perhaps you should try some spelling variations:
cau theo » cau thi, cau tao
cau tren » cu tren, dau tren, ca tren
thu sach » tu sach, thuat sach, thuoc sach
dinh vat » sinh vat, dinh van, dinh dat
van dinh » van minh, van dich, va dinh
soc van » hoc van, oc van, sac van
te sach » toc sach
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: ((te sach) or (thu sach)) ky nang ma hoi. lieu va cham soc van dinh vat ((cau tren) or (cau theo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu sach)) ky nang ma hoi. lieu va cham soc van dinh vat ((cau tren) OR (cau theo)).
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu sach)) ky nang ma hoi. lieu va cham soc van dinh vat ((cau tren) or (cau theo))*.