Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
thu cach » thuc cach, thu canh, tu cach
cach hoc » cach thuc, cach thoi, dich hoc
khoa hoc » hoa hoc
van nhan » van phan, van thanh, danh nhan
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va nhan » ca nhan, va phan, va nha
ma hoi » mai hoi, 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 cach hoc tap, nghien cuu mon hoc nganh khoa hoc ma hoi ((va nhan) OR (van nhan)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu cach hoc tap, nghien cuu mon hoc nganh khoa hoc ma hoi ((va nhan) OR (van nhan)) van".
• Adding a wildcard symbol may retrieve word variants: thu cach hoc tap, nghien cuu mon hoc nganh khoa hoc ma hoi ((va nhan) OR (van nhan)) van*.