Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can dao voi snippets" » "ca dao voi snippets", "van dao voi snippets", "can dai voi snippets", "can da voi snippets", "can dao noi snippets", "can do voi 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: (((("can dao voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can dao voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can dao voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can dao voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.