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