Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
sach v » sach va, sach 2, sach vay
ve am » va am
vi va » vi van, vai va, vu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach v) or (sach y)) nang xa hoi. hieu ve am thuc va hanh vi va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach v) OR (sach y)) nang xa hoi. hieu ve am thuc va hanh vi va triet.
• Adding a wildcard symbol may retrieve word variants: su ((sach v) or (sach y)) nang xa hoi. hieu ve am thuc va hanh vi va triet*.