Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"troi dan den snippets" » "troi day den snippets", "troi dat den snippets", "trong dan den snippets", "troi ban den snippets", "troi van den snippets", "troi dan dung 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: (((("troi dan 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: (((("troi dan den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( troi dan den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("troi dan den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.