Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lai nhan cua snippets" » "li nhan cua snippets", "lai ngan cua snippets", "lam nhan cua snippets", "lai nhat cua snippets", "lai nhan luc snippets", "lai nhan su 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 nhan cua 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 nhan cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lai nhan cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lai nhan cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.