Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc dan bac slippers" » "hoc dan ba slippers", "hoc van bac slippers", "hoc dong bac slippers", "hoc dan bac slippery", "hoc dan bac 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 bac 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 bac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc dan bac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc dan bac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.