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"
"quan ho dua snippets" » "quan he dua snippets", "quan ha dua snippets", "quan so dua snippets", "quan hoc dua snippets", "quan ho duc snippets", "quan ho da snippets"

You may be able to get more results by adjusting your search query.

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