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