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