Perhaps you should try some spelling variations:
chat phuc » thuat phuc, khac phuc, chat huu
hieu cao » chieu cao, hieu cac, hieu ca
phuc cam » phan cam, phuc co, phuc cua
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang xa » lang xa, nang ma, mang xa
cam dan » cac dan, ca dan, nam dan
dan vat » dang vat, van vat, dan va
cuu tre » cua tre, cau tren, cau treo
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 ky ((nang xa) or (nang x)) hoi. hieu cao chat phuc cam dan vat ((cuu tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky ((nang xa) OR (nang x)) hoi. hieu cao chat phuc cam dan vat ((cuu tre) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: so sach ky ((nang xa) or (nang x)) hoi. hieu cao chat phuc cam dan vat ((cuu tre) or (cua tu))*.