Perhaps you should try some spelling variations:
va danh » va dinh, va dan, va hanh
thuc va » thuc vat, thuc dan, thuc day
sach ky » sach y, sach ty, sach kem
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
sac ky » cac ky, sai ky
di su » doi su, ki su, de su
da su » dan su, dat su, va su
ve am » va am

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu ((sach ky) OR (sac ky)) nang xa hoi. hieu ve am thuc va danh ((di su) or (da su)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((sach ky) OR (sac ky)) nang xa hoi. hieu ve am thuc va danh ((di su) OR (da su)) triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ((sach ky) OR (sac ky)) nang xa hoi. hieu ve am thuc va danh ((di su) or (da su)) triet*".