Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bot cong che snippets" » "bo cong che snippets", "mot cong che snippets", "bat cong che snippets", "bot cong cho snippets", "bot cong chi snippets", "bot cong chu 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: (((("bot cong che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bot cong che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bot cong che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bot cong che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.