Perhaps you should try some spelling variations:
"cung ngu java snippets" » "cong ngu java snippets", "song ngu java snippets", "cung ung java snippets", "cung ngu va snippets"
"dung cac cong snippets" » "luong cac cong snippets", "dung cho cong snippets", "dung tai cong snippets", "dung cua cong 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: (((("cung ngu java snippets") or ("dung cac cong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cung ngu java snippets") OR ("dung cac cong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cung ngu java snippets ) or ( dung cac cong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cung ngu java snippets") or ("dung cac cong snippets"))) or ("locating bug code snippets"))*.