Perhaps you should try some spelling variations:
"dinh hoang cd snippets" » "minh hoang cd snippets", "dinh hong cd snippets", "dinh huong cd snippets", "dinh hoang cao snippets", "dinh hoang chi snippets", "dinh hoang _ snippets"
"dung java java snippets" » "dung va java snippets"
"locating bug code snippets" » "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 hoang cd 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 hoang cd snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh hoang cd snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh hoang cd snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.