Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi khi cham snippets" » "chi thi cham snippets", "chi khi tham snippets", "chi chin cham snippets", "chi phi cham snippets", "chi khoa cham 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: (((("chi khi cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi khi cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi khi cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi khi cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.