Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den dem doi snippets" » "den diem doi snippets", "den dien doi snippets", "den de doi snippets", "den dem hoi snippets", "den dem toi 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 dem 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 dem doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den dem doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den dem doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.