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