Perhaps you should try some spelling variations:
nganh nang » nganh nong, ganh nang, ngan hang
hoc nganh » hoc nhanh
danh nhan » doanh nhan, thanh nhan, benh nhan
sach hoc » cach hoc, sach hoi, mach hoc
cuu toan » cuu hoan, cua toan, huu toan
toan hoc » toan khoa, van hoc, hoa hoc
nang hoc » nang doc, nang luc, dong hoc
van nhan » van phan, van thanh, van khanh
tu sach » thu sach, su sach, te sach
hoc xa » hoc ma

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

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