Perhaps you should try some spelling variations:
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets", "python using data slippers"
"van trinh han slices" » "van trinh ham slices", "van thinh han slices", "van tinh han slices", "dan trinh han slices", "van trinh quan slices"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("python using data snippets") OR ("van trinh han slices"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using data snippets ) or ( van trinh han slices ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") or ("van trinh han slices"))) or ("locating bug code snippets"))*.