Perhaps you should try some spelling variations:
"dung phong java snippets" » "dung phuong java snippets", "duong phong java snippets", "rung phong java snippets", "dung phong va snippets"
"dung cong che snippets" » "dung trong che snippets", "dung cong cho snippets", "dung cong chi snippets", "dung cong chu 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: (((("dung phong java snippets") or ("dung cong che snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung phong java snippets") OR ("dung cong che snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung phong java snippets ) or ( dung cong che snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung phong java snippets") or ("dung cong che snippets"))) or ("locating bug code snippets"))*.