Perhaps you should try some spelling variations:
"python using code snippets" » "python using cfd snippets", "python using one snippets"
"ly dung dat snippets" » "ly dung va snippets", "ly dung tai snippets", "ly dong dat snippets", "xay dung dat snippets", "ly khung dat snippets"
"locating bug core snippets" » "locating bug code 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 code snippets") OR ("ly dung dat snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using code snippets ) or ( ly dung dat snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using code snippets") or ("ly dung dat snippets"))) or ("locating bug core snippets"))*.