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