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