Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan lap mot snippets" » "quan luan mot snippets", "quang lam mot snippets", "quan lang mot snippets", "quan la mot snippets", "quan lac mot snippets", "quan lap mo 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: (((("quan lap mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan lap mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan lap mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan lap mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.