Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban dan cach snippets" » "ban dan cac snippets", "ban dan canh snippets", "ban nhan cach snippets", "ban hang cach snippets", "ban hanh cach snippets", "ban quan cach 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: (((("ban dan cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban dan cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban dan cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban dan cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.