Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thon te cua snippets" » "thong ke cua snippets", "thong tu cua snippets", "thong le cua snippets", "thon le cua snippets", "thon de cua 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: (((("thon te cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thon te cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thon te cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thon te cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.