Perhaps you should try some spelling variations:
nganh thong » nganh khong, nganh cong, nhanh chong
hoc nganh » hoc nhanh
thong hoc » thuong hoc, tuong hoc, thong hoa
mach hoc » cach hoc, anh hoc, bac hoc
dich hoc » sinh hoc, hinh hoc, tinh hoc
cap luan » lap luan, cap luat, phap luan
cuu hoa » cuu khoa, cuu hoan, cau hoa
hoi cap » hoi dap, hoi cac, hoi cau
ma hoi » mai hoi, xa hoi, ma hoa

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 hoa hoc nganh thong hoc ma hoi cap luan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((mach hoc) OR (dich hoc)) tap, nghien cuu hoa hoc nganh thong hoc ma hoi cap luan van".
• Adding a wildcard symbol may retrieve word variants: tu ((mach hoc) OR (dich hoc)) tap, nghien cuu hoa hoc nganh thong hoc ma hoi cap luan van*.