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