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