Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
nganh nong » nganh cong
sach tong » sach song, sach rong, sach thuong
hoc nganh » hoc nhanh
danh nhan » doanh nhan, thanh nhan, benh nhan
tong tap » tuong tac, trong tan, cong tac
cuu tong » cuu tinh, huu tung, cuu nang
cuu cong » cua cong, thu cong, cac cong
nong hoc » dong hoc, nang hoc, nong thon
nhan dan » phan dau, gian dan, nhan tai
hoc xa » hoc ma
xa hop » xa hoi, va hop, xa hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach tong tap, nghien ((cuu tong) or (cuu cong)) hoc nganh nong hoc xa hop danh nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach tong tap, nghien ((cuu tong) OR (cuu cong)) hoc nganh nong hoc xa hop danh nhan dan.
• Adding a wildcard symbol may retrieve word variants: thuoc sach tong tap, nghien ((cuu tong) or (cuu cong)) hoc nganh nong hoc xa hop danh nhan dan*.