Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang ky che snippets" » "dang y che snippets", "dan ky che snippets", "dong ky che snippets", "dang ke che snippets", "dang ky cho snippets", "dang ty che 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: (((("dang ky che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang ky che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang ky che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang ky che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.