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