Perhaps you should try some spelling variations:
khong giao » khong gian, thong giao, phong giao
nguoi cong » nguoi muong, nguoi thong, nguoi nung
cong thong » cong thuong, cong trong, dong thong
noi khong » khoi khong, noi khoa, doi khang
nguoi noi » nguoi moi, nguoi nuoc, nguoi co
me nguoi » ma nguoi, le nguoi, ke nguoi
so sach » so sanh, bo sach, co sach
su sach » vu sach
nha me » cha me, nha mo, nha xe
ca ve » ca va, va ve
va de » va do, va le

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( so sach nha me nguoi cong thong tin ) or ( su sach ((ca ve) or (va de)) nguoi noi khong giao ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sach nha me nguoi cong thong tin ) OR ( su sach ((ca ve) OR (va de)) nguoi noi khong giao )).
• Adding a wildcard symbol may retrieve word variants: (( so sach nha me nguoi cong thong tin ) or ( su sach ((ca ve) or (va de)) nguoi noi khong giao ))*.