Perhaps you should try some spelling variations:
van dinh » van minh, van dich, xuan dinh
toc sac » toc sach, toc san, hoc sach
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
va dinh » va kinh, va tinh, vu dinh
cuu tre » cua tre, cau tren, cau treo
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cham, va cac, va cao
du cuu » tu cuu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc sac ky nang ma hoi. hieu va cam tuc ((va dinh) or (van dinh)) du cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sac ky nang ma hoi. hieu va cam tuc ((va dinh) OR (van dinh)) du cuu tre.
• Adding a wildcard symbol may retrieve word variants: toc sac ky nang ma hoi. hieu va cam tuc ((va dinh) or (van dinh)) du cuu tre*.