Perhaps you should try some spelling variations:
va hanh » van hanh, va thanh, ban hanh
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
va danh » va dinh, va dan, dia danh
hieu va » lieu va, hieu qua
tu sai » tu bai, tu san, tu cai
di cua » dai cua, doi cua, de cua
va coc » va cuoc, va cac, va hoc
sai ky » sac ky
cua tu » cua tuc, cua su, cua cu

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 sai ky ((nang xa) OR (nang ma)) hoi. hieu va coc luc ((va hanh) OR (va danh)) di cua tu~.
• Adding a wildcard symbol may retrieve word variants: tu sai ky ((nang xa) or (nang ma)) hoi. hieu va coc luc ((va hanh) or (va danh)) di cua tu*.