Perhaps you should try some spelling variations:
thuc van » thuc vat, thuc dan, thuc va
van hanh » van thanh, ban hanh, van anh
lam thuc » lam thuoc, am thuc, nam thuc
hieu ve » hieu van
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
vu sach » vu bach, su sach, vu khach
y nang » ky nang, ly nang, v nang
va vi » ba vi
va de » va do, va le

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 y nang xa hoi. ((hieu ve) or (hieu va)) lam thuc van hanh ((va vi) or (va de)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang xa hoi. ((hieu ve) OR (hieu va)) lam thuc van hanh ((va vi) OR (va de)) triet.
• Adding a wildcard symbol may retrieve word variants: vu sach y nang xa hoi. ((hieu ve) or (hieu va)) lam thuc van hanh ((va vi) or (va de)) triet*.