Perhaps you should try some spelling variations:
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"oi quoc ban slippers" » "oi quoc bao slippers", "oi quoc lan slippers", "oi quoc quan slippers", "voi quoc ban slippers", "si quoc ban slippers", "mai quoc ban slippers", "oi quoc ban slippery", "oi quoc ban grippers"
"locating bug code snippets" » "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: (((("oi quoc ban slippers") or ("python using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("oi quoc ban slippers") OR ("python using data snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( oi quoc ban slippers ) or ( python using data snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("oi quoc ban slippers") or ("python using data snippets"))) or ("locating bug code snippets"))*.