Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khu va toan snippets" » "khu va code snippets", "khu van toan snippets", "khu bai toan snippets", "khu tap toan snippets", "khau va toan snippets", "thu va toan snippets", "khu vu toan snippets"
"python using sat snippets" » "python using data snippets", "python using a snippets", "python using raw 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: (((("khu va toan snippets") or ("python using sat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu va toan snippets") OR ("python using sat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khu va toan snippets ) or ( python using sat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu va toan snippets") or ("python using sat snippets"))) or ("locating bug core snippets"))*.