Perhaps you should try some spelling variations:
dinh cuu » dinh chi
chat xuc » chat huu, chao xu, chat cua
cuu cuu » cua cuu, cuu cua
va dinh » van dinh, va kinh, va tinh
sach ty » sach y, sach tu, sach thu
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
cuu tre » cua tre, cau tren, cau treo

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 xa) or (nang ma)) hoi. hieu qua ((chat xuc) or (cam xuc)) va dinh cuu cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((nang xa) OR (nang ma)) hoi. hieu qua ((chat xuc) OR (cam xuc)) va dinh cuu cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((nang xa) or (nang ma)) hoi. hieu qua ((chat xuc) or (cam xuc)) va dinh cuu cuu tre*.