Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den tich can snippets" » "dien tich can snippets", "den tinh can snippets", "den lich can snippets", "den tich cac snippets", "den tich van snippets", "den dich can 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 tich 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 tich can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den tich can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den tich can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.