Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu xuan doi snippets" » "chu quang doi snippets", "chuc quan doi snippets", "thi xuan doi snippets", "chu quan doi snippets", "chu xuan loi snippets", "chu luan doi 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: (((("chu xuan doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu xuan doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu xuan doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu xuan doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.