Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu van ke snippets" » "lieu va ke snippets", "hieu van ke snippets", "sieu van ke snippets", "lieu van ket snippets", "lieu van de snippets", "lieu van ky snippets"
"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: (((("lieu van ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu van ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu van ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu van ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.