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