Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"yang dan den snippets" » "yang danh den snippets", "tang dan den snippets", "dang dan den snippets", "yang ban den snippets", "yang van den snippets", "yang dan dung 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: (((("yang dan den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("yang dan den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( yang dan den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("yang dan den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.