Perhaps you should try some spelling variations:
nhung trinh » nhung tinh, chuong trinh, phuong trinh
phung trinh » phuong trinh, chuong trinh, hung thinh
trinh quan » tinh quang, trinh luat, trinh han
van thong » van thuong, van phong, va thong
thong hoc » thuong hoc, tuong hoc, thong hoa
noi dung » hoc dung
dung hoc » dong hoc, dung thuoc, trung hoc
hoc mon » hoc moi, hoc mot, hoc cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( nhung trinh quan luan. noi dung hoc mon ) or ( phung trinh quan luan. van thong hoc mon ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung trinh quan luan. noi dung hoc mon ) OR ( phung trinh quan luan. van thong hoc mon )).
• Adding a wildcard symbol may retrieve word variants: (( nhung trinh quan luan. noi dung hoc mon ) or ( phung trinh quan luan. van thong hoc mon ))*.