Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lai dan cach snippets" » "lai dan cac snippets", "lai dan canh snippets", "lai nhan cach snippets", "lai van cach snippets", "cai dan cach snippets", "gai dan 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: (((("lai 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: (((("lai dan cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lai dan cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lai dan cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.