Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuy lai lon snippets" » "thuy loi lon snippets", "thuy hai lon snippets", "thuy luc lon snippets", "thuy lai long snippets", "thuy bai lon snippets", "thuy 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: (((("thuy 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: (((("thuy lai lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuy lai lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuy lai lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.