Perhaps you should try some spelling variations:
cong truong » cuong truong, cong thuong, cong trong
truong minh » truong kinh, thong minh, truong thanh
nguoi cong » nguoi muong, nguoi thong, nguoi nung
khau sach » hau sach, khoa sach, pham sach
tu sach » thu sach, su sach, te sach
cha ve » cha me, ca ve, cha va
pha ve » phan ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (((khau sach) or (cuoc cach)))) ((cha ve) OR (pha ve)) nguoi cong truong minh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (((khau sach) OR (cuoc cach)))) ((cha ve) OR (pha ve)) nguoi cong truong minh.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (((khau sach) or (cuoc cach)))) ((cha ve) OR (pha ve)) nguoi cong truong minh".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (((khau sach) or (cuoc cach)))) ((cha ve) OR (pha ve)) nguoi cong truong minh*.