Perhaps you should try some spelling variations:
"tri hang anh snippets" » "tri hoang anh snippets", "tri hong anh snippets", "tri hung anh snippets", "thi hang anh snippets", "tri bang anh snippets", "tri mang anh snippets", "tri hang anh slippers"
"python using a snippets" » "python using a 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: (((("python using a snippets") OR ("tri hang anh snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using a snippets ) or ( tri hang anh snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using a snippets") or ("tri hang anh snippets"))) or ("locating bug code snippets"))*.