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