Perhaps you should try some spelling variations:
cong trong » cong thuong, duong trong, cong trinh
nguoi cong » nguoi muong, nguoi thong, nguoi nung
nguoi noi » nguoi moi, nguoi nuoc, nguoi co
trong tin » thong tin, trong tan, trong tieng
khoa tin » khoa tinh, hoa tin, khoa tieng
noi khoa » ngoai khoa, hoc khoa, tai khoa
ve nguoi » va nguoi, le nguoi, ve nguon
sach ca » sach cap, sach cua, sach xa
so sach » so sanh, bo sach, co sach
su sach » vu sach
nha me » cha me, nha mo
ca ve » ca va, va ve

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) or (nha xe)) nguoi cong trong tin ) or ( su sach ca ve nguoi noi khoa tin ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sach ((nha me) OR (nha xe)) nguoi cong trong tin ) OR ( su sach ca ve nguoi noi khoa tin )).
• Adding a wildcard symbol may retrieve word variants: (( so sach ((nha me) or (nha xe)) nguoi cong trong tin ) or ( su sach ca ve nguoi noi khoa tin ))*.