Perhaps you should try some spelling variations:
nganh thong » nganh khong, nganh cong, nhanh chong
hoa nganh » hoc nganh, khoi nganh, hoa doanh
thong hoc » thuong hoc, tuong hoc, thong hoa
mach hoc » cach hoc, anh hoc, bac hoc
dich hoc » sinh hoc, hinh hoc, tinh hoc
cuu cong » cua cong, thu cong, cac cong
cong hoa » dong hoa, dong hoc, hang hoa
cam nhan » ca nhan, cam chan, cam nang
nhan dan » phan dau, gian dan, nhan tai
hoc mai » hoc ma, hoc dai, hoc bai
mai hoi » mai khoi, dai hoi, lai hoi
hoi cam » hoi cham, hoi cac, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((mach hoc) OR (dich hoc)) tap, nghien cuu cong hoa nganh thong hoc mai hoi cam nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((mach hoc) OR (dich hoc)) tap, nghien cuu cong hoa nganh thong hoc mai hoi cam nhan dan".
• Adding a wildcard symbol may retrieve word variants: tu ((mach hoc) OR (dich hoc)) tap, nghien cuu cong hoa nganh thong hoc mai hoi cam nhan dan*.