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