Perhaps you should try some spelling variations:
thuoc ban » thuoc tan, thuoc dang, thu ban
lam thuoc » nam thuoc, am thuc, cay thuoc
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 van
hieu va » lieu va, hieu qua
hanh va » hang va, hanh vi
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 (hieu va)) lam thuoc 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 (hieu va)) lam thuoc ban hanh va ve triet.
• Adding a wildcard symbol may retrieve word variants: vu sach y nang xa hoi. ((hieu ve) or (hieu va)) lam thuoc ban hanh va ve triet*.