Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets", "python missing data slippers"
"dau tu ban snippets" » "dau thu ban snippets", "dau te ban snippets", "dau tu ban slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dau tu ban snippets") or ("python missing data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dau tu ban snippets") OR ("python missing data snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau tu ban snippets ) or ( python missing data snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau tu ban snippets") or ("python missing data snippets"))) or ("locating bug code snippets"))*.