Perhaps you should try some spelling variations:
"dang trinh java snippets" » "dang tinh java snippets", "dan trinh java snippets", "dong trinh java snippets", "dang trinh java slippers"
"manh hung code snippets" » "anh huong code snippets", "manh hung code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: (((("manh hung code snippets") or ("dang trinh java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("manh hung code snippets") OR ("dang trinh java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( manh hung code snippets ) or ( dang trinh java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("manh hung code snippets") or ("dang trinh java snippets"))) or ("locating bug code snippets"))*.