Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thon qua cua snippets" » "thong qua cua snippets", "thon que cua snippets", "thong quan cua snippets", "thon quan cua snippets", "thon quang cua snippets", "thon qua quan 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 qua 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 qua cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thon qua cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thon qua cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.