Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
cach hoc » cach thuc, cach thoi, dich hoc
khoa hoc » hoa hoc
nhan tai » hang tai, van tai, toan tai
tu cach » tu cac
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoi cac » hoc cac, voi cac, hoi bac
hoa cac » hoa chat, chon cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach hoc tap, nghien cuu mon hoc nganh khoa hoc ma ((hoi cac) OR (hoa cac)) nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach hoc tap, nghien cuu mon hoc nganh khoa hoc ma ((hoi cac) OR (hoa cac)) nhan tai".
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu mon hoc nganh khoa hoc ma ((hoi cac) OR (hoa cac)) nhan tai*.