Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"deu cau chap snippets" » "deu cau cham snippets", "deu cau chan snippets", "deu cau phap snippets", "yeu cau chap snippets", "dieu can chap snippets", "diem cau chap 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: (((("deu cau chap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("deu cau chap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( deu cau chap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("deu cau chap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.