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