Perhaps you should try some spelling variations:
"python using code snippets" » "python using cfd snippets", "python using one snippets", "python using code slippers"
"tri moi vao snippets" » "tri mot vao snippets", "thi moi vao snippets", "tri doi vao snippets", "tri moi va snippets", "tri moi van snippets", "tri moi giao snippets", "tri moi vao slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs 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 ("tri moi vao snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using code snippets ) or ( tri moi vao snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using code snippets") or ("tri moi vao snippets"))) or ("locating bug code snippets"))*.