Perhaps you should try some spelling variations:
phan khung » phan chung, phan hung, phan thuong
khung hoc » chung hoc, nhung hoc, thuong hoc
danh nhan » doanh nhan, thanh nhan, benh nhan
cach hoc » cach thuc, cach thoi, dich hoc
hoc phan » hoc dan, hoc pho
nhan van » nhan dan, nhan va, phan van
co cach » co cac, co sach, ca cach
cuu co » huu co, cua co, cuu mo
xa hoc » xa hoi, xa hoa, ta hoc
va hoc » van hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: co cach hoc tap, nghien cuu co hoc phan khung hoc ((xa hoc) OR (va hoc)) danh nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "co cach hoc tap, nghien cuu co hoc phan khung hoc ((xa hoc) OR (va hoc)) danh nhan van".
• Adding a wildcard symbol may retrieve word variants: co cach hoc tap, nghien cuu co hoc phan khung hoc ((xa hoc) OR (va hoc)) danh nhan van*.