Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vai trong mo snippets" » "tai trong mo snippets", "bai trong mo snippets", "dai trong mo snippets", "vai trong moi snippets", "vai trong mot snippets", "vai trong co 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: (((("vai trong mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vai trong mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vai trong mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vai trong mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.