Perhaps you should try some spelling variations:
"dinh duc trinh snippets" » "dinh duc thinh snippets", "dinh doc trinh snippets", "dinh qua trinh snippets", "minh duc trinh snippets", "ninh duc trinh snippets", "tinh duc trinh snippets", "dinh duc trinh slippers"
"dung java java snippets" » "dung va java snippets", "dung java 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: (((("dinh duc trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh duc trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh duc trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh duc trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.