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