Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can su cong snippets" » "can su cuong snippets", "can sua cong snippets", "can tu cong snippets", "dan su cong snippets", "van su cong snippets", "ban su 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: (((("can su 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: (((("can su cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can su cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can su cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.