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

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