Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lai cua de snippets" » "dai cua de snippets", "hai cua de snippets", "lai chau de snippets", "lai cua te snippets", "lai cua du snippets", "lai cua he 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 cua de 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 cua de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lai cua de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lai cua de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.