Perhaps you should try some spelling variations:
"minh den chinh triet hoc ma-lenin" » "minh den chinh tri hoc ma-lenin", "minh den trinh triet hoc ma-lenin", "minh den chinh tien hoc ma-lenin", "minh dien chinh triet hoc ma-lenin", "minh dieu chinh triet hoc ma-lenin", "minh dinh chinh triet hoc ma-lenin", "minh de chinh triet hoc ma-lenin", "minh don chinh triet hoc ma-lenin", "minh danh chinh triet hoc ma-lenin", "minh den cchinh triet hoc ma-lenin", "minh den cdinh triet hoc ma-lenin", "minh den chinh taiet hoc ma-lenin"
"minh mo hinh tri hoc mac-lenin" » "minh mo chinh tri hoc mac-lenin", "minh mo dinh tri hoc mac-lenin", "minh mo hinh tai hoc mac-lenin", "minh mot hinh tri hoc mac-lenin", "tinh mo hinh tri hoc mac-lenin", "dinh moi hinh tri hoc mac-lenin", "minh mo hinh tri thuc mac-lenin", "minh mo hinh thai hoc mac-lenin", "minh mo hinh tri hoc may-lenin", "minh mo hinh tri hoc cac-lenin"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("minh mo hinh tri hoc mac-lenin") or ("minh den chinh triet hoc ma-lenin"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("minh mo hinh tri hoc mac-lenin") OR ("minh den chinh triet hoc ma-lenin")).
• Removing quotes may allow a broader search: (( minh mo hinh tri hoc mac-lenin ) or ( minh den chinh triet hoc ma-lenin )).
• Adding a wildcard symbol may retrieve word variants: (("minh mo hinh tri hoc mac-lenin") or ("minh den chinh triet hoc ma-lenin"))*.