Perhaps you should try some spelling variations:
"dong do than snippets" » "dong dao than snippets", "dong co than snippets", "dang do than snippets", "dong do thanh snippets", "dong doc than snippets", "dong do thai snippets", "dong do than slippers"
"using a code snippets" » "using a core snippets", "using a code slippers"
"locating bug code snippets" » "locating bug core 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: (((("using a code snippets") OR ("dong do than snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using a code snippets ) or ( dong do than snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using a code snippets") or ("dong do than snippets"))) or ("locating bug code snippets"))*.