Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai ban voi snippets" » "hai bang voi snippets", "hai ba voi snippets", "tai ban voi snippets", "hai ban moi snippets", "hai ban noi 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: (((("hai ban 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: (((("hai ban voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai ban voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai ban voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.