Perhaps you should try some spelling variations:
danh nhan » doanh nhan, thanh nhan, benh nhan
nghiep va » nghiep vu
nhan dan » phan dau, gian dan, nhan tai
hai danh » thai danh, hai anh, hai dang
hoc toan » hoc tan, hop toan, hoc than
hoat hoc » hoa hoc, hoat ho, khoa hoc
sach hoi » sach doi, sach moi, cach thoi
hoa toan » hoa tan, hop toan, hoa than
su sach » so sach, vu sach
hoi tap » hoi dap, hoc tap, hoi tai
hoc xa » hoc ma
xa hai » xa thai, xua hai, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach hoi tap, nghiep va van ((hoc toan) or (hoa toan)) hoat hoc xa hai danh nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach hoi tap, nghiep va van ((hoc toan) OR (hoa toan)) hoat hoc xa hai danh nhan dan.
• Adding a wildcard symbol may retrieve word variants: su sach hoi tap, nghiep va van ((hoc toan) or (hoa toan)) hoat hoc xa hai danh nhan dan*.