Perhaps you should try some spelling variations:
phan khung » phan chung, phan hung, phan thuong
khung hoc » chung hoc, nhung hoc, thuong hoc
dinh hoc » sinh hoc, hinh hoc, tinh hoc
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
hoc phan » hoc dan, hoc pho
cac phan » cac nhan, cao phan, cap phan
phan van » pham van, thanh van, luan van
xa hoa » xa khoa, xa hoi, 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: quy dinh hoc tap, nghien cuu dong hoc phan khung hoc ((xa hoa) OR (ma hoa)) cac phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "quy dinh hoc tap, nghien cuu dong hoc phan khung hoc ((xa hoa) OR (ma hoa)) cac phan van".
• Adding a wildcard symbol may retrieve word variants: quy dinh hoc tap, nghien cuu dong hoc phan khung hoc ((xa hoa) OR (ma hoa)) cac phan van*.