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