Perhaps you should try some spelling variations:
thong trong » thuong trong, thong thong, thong thuong
nguoi thong » nguoi muong, nguoi thanh, nguoi cong
trong minh » truong minh, trong kinh, thong minh
nguoi con » nguoi cong, nguoi co, nguoi cor
sach bai » sach dao, cac bai, sach xa
ke nguoi » le nguoi, ky nguoi, khoe nguoi
con cong » cong cong, con cuong, bon cong
cong tin » cong tinh, cong tan, dong tin
sach cha » sach nha, sach che, sach ha
me nguoi » ma nguoi, le nguoi, moi nguoi
tu sach » thu sach, su sach, te sach
bai ke » ba ke, ban ke, bai khen

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 bai ke nguoi con cong tin ) or ( tu sach cha me nguoi thong trong minh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach bai ke nguoi con cong tin ) OR ( tu sach cha me nguoi thong trong minh )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach bai ke nguoi con cong tin ) or ( tu sach cha me nguoi thong trong minh ))*.