Perhaps you should try some spelling variations:
"van nhan hang slices" » "van nhan ham slices", "van ngan hang slices", "van nhan dang slices", "van nha hang slices", "van phan hang slices", "van thanh hang slices", "danh nhan hang slices"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets", "python using data slippers"
"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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using data snippets") or ("van nhan hang slices"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data snippets") OR ("van nhan hang slices"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using data snippets ) or ( van nhan hang slices ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") or ("van nhan hang slices"))) or ("locating bug code snippets"))*.