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