Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"va ten cong snippets" » "va tien cong snippets", "va tren cong snippets", "va te cong snippets", "va den cong snippets", "va tin 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: (((("va ten 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: (((("va ten cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va ten cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va ten cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.