Perhaps you should try some spelling variations:
viet cua » viec cua, viet ca, viet qua
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
vu cham » vu kham, tu cham, qua cham
va cham » va chat, va tham
soc van » hoc van, oc van, sac van
van anh » van thanh, tuan anh, van minh
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan 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 san ky ((nang xa) OR (lang xa)) hoi. hieu ((vu cham) OR (va cham)) soc van anh viet cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky ((nang xa) or (lang xa)) hoi. hieu ((vu cham) OR (va cham)) soc van anh viet cua tu~".
• Adding a wildcard symbol may retrieve word variants: tu san ky ((nang xa) or (lang xa)) hoi. hieu ((vu cham) OR (va cham)) soc van anh viet cua tu*.