Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh tu co snippets" » "danh tu code snippets", "anh tu co snippets", "hanh tu co snippets", "doanh thu co snippets", "danh ty co snippets", "danh tu so snippets", "danh tu do 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: (((("danh tu co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh tu co snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( danh tu co snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh tu co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.