Perhaps you should try some spelling variations:
danh nhan » doanh nhan, thanh nhan, benh nhan
mach hoc » cach hoc, dich hoc, anh hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
hang hoa » hang khoa, thanh hoa, hang va
hoi danh » hop danh, hoi dan, hoc danh
nhan van » nhan dan, nhan va, phan van
te mach » ke mach, te sach, tim mach
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: te mach hoc tap, nghien cuu cong hoc ((toan khoa) or (hang hoa)) hoc xa hoi danh nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te mach hoc tap, nghien cuu cong hoc ((toan khoa) OR (hang hoa)) hoc xa hoi danh nhan van.
• Adding a wildcard symbol may retrieve word variants: te mach hoc tap, nghien cuu cong hoc ((toan khoa) or (hang hoa)) hoc xa hoi danh nhan van*.