Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhap cao toc snippets" » "nhap cao code snippets", "nha cao toc snippets", "nhap ca toc snippets", "nam cao toc snippets", "nhap cac toc snippets", "nhap cao hoc snippets", "nhap cao ngoc snippets"
"python using java snippets" » "python using data 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: (((("nhap cao toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhap cao toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhap cao toc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap cao toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.