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