Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doanh van ho snippets" » "doanh van code snippets", "doan van ho snippets", "doanh va ho snippets", "doanh ban ho snippets", "doanh van hoa snippets", "doanh van hoc snippets", "doanh van hoe 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 van ho 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 van ho snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doanh van ho snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doanh van ho snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.