Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"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"

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 bug core 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 bug core snippets"))*.
• Removing quotes may allow a broader search: (((( oi quoc lan snippets ) or ( python using data snippets ))) or ( locating bug core snippets ))*.