Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"from xu li snippets" » "from eu li snippets", "from oxa li snippets", "from xu ly snippets", "from xu li slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("from xu li snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("from xu li snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( from xu li snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("from xu li snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.