Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao gioi voi snippets" » "dao nguoi voi snippets", "bao gio voi snippets", "co gioi voi snippets", "dao gioi hoi snippets", "dao gioi noi snippets", "dao doi 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: (((("dao gioi 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: (((("dao gioi voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao gioi voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao gioi voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.