Perhaps you should try some spelling variations:
"dong dinh trinh snippets" » "dong dinh tinh snippets", "dong sinh trinh snippets", "dong dinh tri snippets", "dong kinh trinh snippets", "dang dinh trinh snippets", "dong ninh trinh snippets", "dong dinh trinh slippers"
"dung dat code snippets" » "dung va code snippets", "dung tai code snippets", "dung rate code snippets", "dung dat de snippets", "dung dat code 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dong dinh trinh snippets") or ("dung dat code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong dinh trinh snippets") OR ("dung dat code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong dinh trinh snippets ) or ( dung dat code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong dinh trinh snippets") or ("dung dat code snippets"))) or ("locating bug code snippets"))*.