Perhaps you should try some spelling variations:
ve triet » va trien, su triet
cam truc » cau truc, nam truc, lam truoc
ban hanh » ban hang
van hanh » van thanh, van anh, van ban
vu sach » vu bach, su sach, vu khach
hieu va » lieu va, hieu qua
hieu ve » hieu van
nang xa » nang x, lang xa, nang ma
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)) cam truc ((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 (hieu va)) cam truc ((van hanh) OR (ban hanh)) va ve triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach y nang xa hoi. ((hieu ve) or (hieu va)) cam truc ((van hanh) OR (ban hanh)) va ve triet*".