Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan lap lon snippets" » "toan tap lon snippets", "toan lao lon snippets", "tan lap lon snippets", "toan lai lon snippets", "toan lap luan 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: (((("toan lap lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan lap lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan lap lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan lap lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.