Perhaps you should try some spelling variations:
cua viet » hoa viet, cua vat, cua dieu
hanh vai » hanh vi, hanh va, hanh tai
vu sach » vu bach, su sach, vu khach
va hanh » van hanh, va thanh, va danh
ca viet » va viet, co viet, hoa viet
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
cam tu » cam thu, nam tu, dam tu
x hoi » xa hoi, o hoi, x ho

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 ky nang x hoi. hieu ve ((cam tu) or (am thuc)) va hanh vai ((cua viet) OR (ca viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang x hoi. hieu ve ((cam tu) OR (am thuc)) va hanh vai ((cua viet) OR (ca viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky nang x hoi. hieu ve ((cam tu) or (am thuc)) va hanh vai ((cua viet) OR (ca viet))".
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang x hoi. hieu ve ((cam tu) or (am thuc)) va hanh vai ((cua viet) OR (ca viet))*.