Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, va danh
sach ty » sach y, sach tu, sach thu
su sach » so sach, vu sach
hieu ve » hieu van
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
xuc va » duc va, tuc va, luc va
lam ve » lam vu, nam ve, tam ve
la ve » ly ve, ca ve, va 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 ty nang xa hoi. ((hieu ve) OR (hieu va)) chat xuc va hanh ((lam ve) or (la ve)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang xa hoi. ((hieu ve) OR (hieu va)) chat xuc va hanh ((lam ve) OR (la ve)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang xa hoi. ((hieu ve) OR (hieu va)) chat xuc va hanh ((lam ve) or (la ve)) triet".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang xa hoi. ((hieu ve) OR (hieu va)) chat xuc va hanh ((lam ve) or (la ve)) triet*.