Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
khach ky » hanh ky, thanh ky
le nghia » le nghi, y nghia, co nghia
nghia tu » nghia duy, nghia cua, nghia xa
cua viet » hoa viet, cua vat, cua dieu
cao hoc » co hoc, cho hoc, chat hoc
hieu le » hieu ve, hieu he, hieu ly
va danh » va dinh, va dan, va hanh
danh di » danh du, xanh di, danh dien
ca viet » va viet, co viet, hoa viet

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: vu khach ky nang cao hoc. hieu le nghia tu va danh di ((cua viet) or (ca viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ky nang cao hoc. hieu le nghia tu va danh di ((cua viet) OR (ca viet)).
• Adding a wildcard symbol may retrieve word variants: vu khach ky nang cao hoc. hieu le nghia tu va danh di ((cua viet) or (ca viet))*.