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