Perhaps you should try some spelling variations:
thang nguoi » thanh nguoi, thong nguoi, tang nguoi
nhan thong » nhan trong, nha thong, nhan khong
hoc thieu » hoc hien
thong tu » phong tuc, thong tin, thong ke
tu thang » thu thang, tu thanh, tu than
nguoi va » nguoi ma, nguoi tay, nguoi dao
toan ban » van ban
va toan » van toan, bai toan, tap toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc thieu) or (hoc thieu)) sang - nhan thong tu thang nguoi va toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (hoc thieu)) sang - nhan thong tu thang nguoi va toan ban*.