Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"che man den snippets" » "che mon den snippets", "che quan den snippets", "che nang den snippets", "che ban den snippets", "che dan den snippets", "che van den 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: (((("che man den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("che man den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( che man den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("che man den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.