Perhaps you should try some spelling variations:
nganh khung » nganh khong, nhanh hung
hoc nganh » hoc nhanh
khung hoc » chung hoc, nhung hoc, thuong hoc
cau thanh » cuu thanh, cac thanh, cau thang
thanh van » thanh san, thanh toan, thanh phan
mach hoc » dich hoc, anh hoc, bac hoc
cach hoc » cach thuc, cach thoi, dich hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
hoa cau » hoa cac, hoa dau, hoa mau
hoc xa » hoc ma
xa hoa » xa khoa, 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 (cach hoc)) tap, nghien cuu cong hoc nganh khung hoc xa hoa cau thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((mach hoc) OR (cach hoc)) tap, nghien cuu cong hoc nganh khung hoc xa hoa cau thanh van.
• Adding a wildcard symbol may retrieve word variants: tu ((mach hoc) or (cach hoc)) tap, nghien cuu cong hoc nganh khung hoc xa hoa cau thanh van*.