Perhaps you should try some spelling variations:
ve triet » va trien, su triet
van hanh » van thanh, ban hanh, van anh
xuc van » duc van, luc van, xuc ban
hieu va » lieu va, hieu qua
su sach » vu sach
nang xa » nang x, lang xa, nang ma
so sach » so sanh, bo sach, co sach
va cam » va cham, va cac, va cao
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 sach)) ty ((nang xa) or (nang cao)) hoi. hieu va cam xuc van hanh vi ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ty ((nang xa) OR (nang cao)) hoi. hieu va cam xuc van hanh vi ve triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ty ((nang xa) or (nang cao)) hoi. hieu va cam xuc van hanh vi ve triet*.