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