Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
thi hanh » thi thanh
hanh vai » hanh vi, hanh va, hanh tai
lam duoc » nam duoc, luat duoc, lam thuoc
cua viet » ca viet, hoa viet, cua vat
ly hang » ly quang
lam xuc » cam xuc
va hanh » van hanh, va thanh, va danh
ky hang » ky nang, ky dang, ty hang
vai cua » dai cua, hai cua, lai cua
va hoi » xa hoi, va hoc, va hoa

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

• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ((ky hang) OR (ly hang)) va hoi. thi hanh ((lam xuc) OR (lam duoc)) va hanh vai cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu khach ((ky hang) OR (ly hang)) va hoi. thi hanh ((lam xuc) or (lam duoc)) va hanh vai cua viet~".
• Adding a wildcard symbol may retrieve word variants: vu khach ((ky hang) OR (ly hang)) va hoi. thi hanh ((lam xuc) or (lam duoc)) va hanh vai cua viet*.