Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi doi anh slippers" » "doi voi anh slippers", "doi moi anh slippers", "voi doi anh slippers", "doi doi hanh slippers", "doi doi canh slippers", "doi doi sanh slippers", "doi doi anh slippery", "doi doi anh grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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: (((("doi doi anh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi doi anh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi doi anh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi doi anh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.