Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chung co pd snippets" » "chung cho pd snippets", "chung cu pd snippets", "chong co pd snippets", "chung co pa snippets", "chung co pt 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: (((("chung co pd snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chung co pd snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chung co pd snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chung co pd snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.