Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu lai lon snippets" » "thuy lai lon snippets", "thu hai lon snippets", "thu tai lon snippets", "thu lai long snippets", "thu bai lon snippets", "thu hai long 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: (((("thu lai lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu lai lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu lai lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu lai lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.