Perhaps you should try some spelling variations:
khang thuong » hang thuong, khanh thuong, phan thuong
nganh khang » nganh khong, ngan hang, nhanh thang
hoc nganh » hoc nhanh
thuong va » truong va, thong va, thuong mai
kon mach » ke mach, ban mach
mach hoc » cach hoc, dich hoc, anh hoc
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
phan dau » phan tu
hang dau » hang va, hang tai
hoi cua » hoi chuc
va hoi » xa hoi, va hoc, va hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: kon mach hoc tap, nghien cuu dong hoc nganh khang thuong va hoi cua ((phan dau) OR (hang dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "kon mach hoc tap, nghien cuu dong hoc nganh khang thuong va hoi cua ((phan dau) OR (hang dau))".
• Adding a wildcard symbol may retrieve word variants: kon mach hoc tap, nghien cuu dong hoc nganh khang thuong va hoi cua ((phan dau) OR (hang dau))*.