Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets", "python using data slippers"
"oi quoc lan snippets" » "oi quoc ban snippets", "oi nuoc luan snippets", "oi quoc quan snippets", "voi quoc lan snippets", "si quoc lan snippets", "mai quoc lan snippets", "oi quoc lan slippers"

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 lan snippets") or ("python using data snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("oi quoc lan snippets") OR ("python using data snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( oi quoc lan snippets ) or ( python using data snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("oi quoc lan snippets") or ("python using data snippets"))) or ("locating bugs code snippets"))*.