Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc cach he snippets" » "cuoc cach he snippets", "duoc cac he snippets", "truoc cach he snippets", "duoc cach de snippets", "duoc cach le 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 he 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 he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc cach he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc cach he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.