Perhaps you should try some spelling variations:
nganh khong » nhanh chong, nganh nong, nganh khoa
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
nganh cong » nhanh chong, thanh cong
thuoc mai » thuoc ma, thuoc tai, thuoc moi
cong hoc » dong hoc, cong hoa, cong coc
nhan van » nhan dan, nhan va, phan van
anh hoc » sinh hoc, benh hoc, hinh hoc
mai hoi » mai khoi, dai hoi, lai hoi
va nhan » van nhan, ca nhan, va phan
tu anh » tu hanh, tu manh, thu anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu anh hoc tap, nghien thu cong hoc ((nganh khong) or (nganh cong)) thuoc mai hoi va nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu anh hoc tap, nghien thu cong hoc ((nganh khong) OR (nganh cong)) thuoc mai hoi va nhan van.
• Adding a wildcard symbol may retrieve word variants: tu anh hoc tap, nghien thu cong hoc ((nganh khong) or (nganh cong)) thuoc mai hoi va nhan van*.