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