Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh hoi cho snippets" » "anh noi cho snippets", "anh hoc cho snippets", "anh khoa cho snippets", "anh hoi chu snippets", "anh hoi co 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: (((("anh hoi 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: (((("anh hoi cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh hoi cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh hoi cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.