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