Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc cach dk snippets" » "cuoc cach dk snippets", "duoc cac dk snippets", "truoc cach dk snippets", "duoc cach de snippets", "duoc cach dua 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: (((("duoc cach dk snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc cach dk snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc cach dk snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc cach dk snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.