Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
danh nhan » doanh nhan, thanh nhan, benh nhan
thu sach » tu sach, thuat sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
dan nhan » dan chan, van nhan, ban nhan
mo hoc » mon hoc, co hoc
hoc xa » hoc ma
xa hoa » xa khoa, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach hoc tap, nghien cuu mo hoc nganh khong hoc xa hoa ((dan nhan) OR (danh nhan)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach hoc tap, nghien cuu mo hoc nganh khong hoc xa hoa ((dan nhan) OR (danh nhan)) van".
• Adding a wildcard symbol may retrieve word variants: thu sach hoc tap, nghien cuu mo hoc nganh khong hoc xa hoa ((dan nhan) OR (danh nhan)) van*.