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