Perhaps you should try some spelling variations:
hieu cao » chieu cao, hieu cac, hieu ca
chat xuc » chat huu, cam xuc, chao xu
so sach » so sanh, bo sach, co sach
nang xa » lang xa, nang ma, mang xa
dan vat » dang vat, van vat, dan va
cuu tre » cua tre, cau tren, cau treo
xuc ca » xuc cam, xuc cua
ca dan » cac dan, ca dao
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y ((nang xa) or (nang x)) hoi. hieu cao chat xuc ca dan vat ((cuu tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y ((nang xa) OR (nang x)) hoi. hieu cao chat xuc ca dan vat ((cuu tre) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: so sach y ((nang xa) or (nang x)) hoi. hieu cao chat xuc ca dan vat ((cuu tre) or (cua tu))*.