Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"den thi anh snippets" » "dien thi anh snippets", "de thi anh snippets", "dan thi anh snippets", "den thi hanh snippets", "den thi thanh snippets", "den thich anh snippets", "den thi anh 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: (((("den thi anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( den thi anh snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("den thi anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.