Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
vu khanh » vu thanh, van khanh, duy khanh
cam truc » cau truc, nam truc, lam truoc
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang
vi cua » vai cua, di cua
va cam » va cham, va cac, va cao

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 (vu khanh)) y nang xa hoi. hieu va cam truc ((va danh) or (va hanh)) vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu khanh)) y nang xa hoi. hieu va cam truc ((va danh) OR (va hanh)) vi cua viet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu khanh)) y nang xa hoi. hieu va cam truc ((va danh) or (va hanh)) vi cua viet*.