Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nganh hoa » thanh hoa, khanh hoa, danh hoa
thu cach » thuc cach, thu canh, tu cach
cach noi » cach thoi, hanh noi, anh noi
hap benh » hop benh, kham benh, phau benh
nhan tai » hang tai, van tai, toan tai
noi dap » hoi dap, noi da, doi dap
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
hoc xa » hoc ma
xa hap » xa hai

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