Perhaps you should try some spelling variations:
nganh khoa » nganh khong, doanh khoa, anh khoa
nganh hoa » thanh hoa, khanh hoa, danh hoa
danh nhan » doanh nhan, thanh nhan, benh nhan
thu cach » thuc cach, thu canh, tu cach
cach hoi » cach thoi, cach noi, cach hoc
hai danh » thai danh, hai anh, hai dang
nhan tai » hang tai, van tai, toan tai
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoc xa » hoc ma
xa hai » xa thai, xua hai, xa hoi

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 hoi dap, nghien cuu mon hoc ((nganh khoa) or (nganh hoa)) hoc xa hai danh nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cach hoi dap, nghien cuu mon hoc ((nganh khoa) OR (nganh hoa)) hoc xa hai danh nhan tai.
• Adding a wildcard symbol may retrieve word variants: thu cach hoi dap, nghien cuu mon hoc ((nganh khoa) or (nganh hoa)) hoc xa hai danh nhan tai*.