Perhaps you should try some spelling variations:
"dung trinh ky snippets" » "dung tinh ky snippets", "dong trinh ky snippets", "cong trinh ky snippets", "dung trinh ky slippers"
"dong tranh java snippets" » "dong thanh java snippets", "dong trinh java snippets", "trong tranh java snippets", "dong tranh va snippets", "dong tranh java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

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