Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang mat co snippets" » "trang mat co snippets", "tang ma co snippets", "dang mat co snippets", "tang vat co snippets", "tang mot co 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: (((("tang mat co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang mat co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang mat co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang mat co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.