Perhaps you should try some spelling variations:
hieu ve » hieu va, hieu van
cam bao » dam bao, ca bao, cam bay
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
tu dan » tuc dan, tu ban, cu dan
dan ky » van ky
ve cam » ve cham, ve cac, va cam
bao va » bao ve, tao va, ban va
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, o hoi, x ho

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: tu dan ky nang x hoi. hieu ve cam bao va hanh ((vai cua) OR (di cua)) triet~.
• Adding a wildcard symbol may retrieve word variants: tu dan ky nang x hoi. hieu ve cam bao va hanh ((vai cua) or (di cua)) triet*.