Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"do danh vu snippets" » "do dinh vu snippets", "do sanh vu snippets", "dia danh vu snippets", "do danh tu snippets", "do anh vu snippets", "do danh du snippets", "do danh vu 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.

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