Perhaps you should try some spelling variations:
hanh chat » hanh cat, hanh cham, thanh cham
cua viet » hoa viet, cua vat, cua dieu
vu sach » vu bach, su sach, vu khach
va hanh » van hanh, va thanh, va danh
cam luc » cam xuc, cau luc
ca viet » va viet, co viet, hoa viet
hieu va » lieu va, hieu qua
ty hang » ly hang, ty xang, thi hang
ty nang » ky nang, ty xang, ly nang
ma hoi » mai hoi, xa hoi, ma hoa
luc va » duc va, tuc va, loc va
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: vu sach ((ty nang) OR (ty hang)) ma hoi. hieu va cam luc va hanh chat ((cua viet) or (ca viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((ty nang) OR (ty hang)) ma hoi. hieu va cam luc va hanh chat ((cua viet) OR (ca viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ((ty nang) OR (ty hang)) ma hoi. hieu va cam luc va hanh chat ((cua viet) or (ca viet))".
• Adding a wildcard symbol may retrieve word variants: vu sach ((ty nang) OR (ty hang)) ma hoi. hieu va cam luc va hanh chat ((cua viet) or (ca viet))*.