Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den qua can snippets" » "den xua can snippets", "dien quan can snippets", "dan quan can snippets", "den qua ban snippets", "den qua cac snippets", "den qua ca 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 qua can 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 qua can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den qua can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den qua can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.