Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan van dem snippets" » "tran van dem snippets", "tang van dem snippets", "luan van dem snippets", "tan van diem snippets", "tan van de snippets", "tan van der 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: (((("tan van dem snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan van dem snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan van dem snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan van dem snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.