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