Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den xa doi snippets" » "den xac doi snippets", "den xua doi snippets", "dan xa doi snippets", "den xoa doi snippets", "den xa hoi snippets", "den xa dai 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 xa doi 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 xa doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den xa doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den xa doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.