Perhaps you should try some spelling variations:
sach ky » sach y, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
sac ky » cac ky, sai ky
vi cua » vai cua, di cua
cua te » cua tu
va am » va lam, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo ((sach ky) OR (sac ky)) nang xa hoi. hieu va am thuc va danh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "bo ((sach ky) OR (sac ky)) nang xa hoi. hieu va am thuc va danh vi cua te".
• Adding a wildcard symbol may retrieve word variants: bo ((sach ky) OR (sac ky)) nang xa hoi. hieu va am thuc va danh vi cua te*.