Perhaps you should try some spelling variations:
khong minh » thong minh, hoang minh, duong minh
toan khong » toan thong, toan khung, toan thuong
hoach che » hoach he, hoach chien, hoach ha
hong minh » hoang minh, thong minh, hong hinh
giai toan » giai doan, giai toa, gioi toan
ve nguoi » va nguoi, le nguoi, ve nguon
nguoi do » nguoi dao, nguoi co, nguoi moi
sach cua » mach cua, cach cua, sac cua
do hong » do luong
tu sach » thu sach, su sach, te sach
ve giai » va giai, ve giao, de giai
che ve » chep ve, che va, che vi
cua ve » cua vi, cua te, cua vu

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: (( thu hoach che ve nguoi do hong minh ) OR ( tu sach cua ve giai toan khong minh ))~.
• Adding a wildcard symbol may retrieve word variants: (( thu hoach che ve nguoi do hong minh ) or ( tu sach cua ve giai toan khong minh ))*.