Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den ca chu snippets" » "den cac chu snippets", "den cam chu snippets", "dien ca chu snippets", "den cua chu snippets", "den ca chua 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: (((("den ca chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den ca chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den ca chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den ca chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.