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