Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cas va cong snippets" » "cas tai cong snippets", "cas cua cong snippets", "cao va cong snippets", "ca va cong snippets", "cap va cong 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: (((("cas va cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cas va cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cas va cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cas va cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.