Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu ve so snippets" » "lieu va so snippets", "hieu ve so snippets", "lieu de so snippets", "lieu ve su snippets", "lieu ve co 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 ve so 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 ve so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu ve so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu ve so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.