Perhaps you should try some spelling variations:
ve triet » va trien, su triet
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
hieu va » lieu va, hieu qua
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
so sanh » do sanh
dam tu » nam tu, cam tu, tam tu
va dam » van dam, va dao, va dau
vi ve » va ve, gi ve, ve ve

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) or (so sanh)) ky nang xa hoi. hieu va dam tu ((va hanh) or (va danh)) vi ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sanh)) ky nang xa hoi. hieu va dam tu ((va hanh) OR (va danh)) vi ve triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) ky nang xa hoi. hieu va dam tu ((va hanh) or (va danh)) vi ve triet*.