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