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