Perhaps you should try some spelling variations:
"hoan tran java snippets" » "hoang tran java snippets", "thoan tran java snippets", "toan tran java snippets", "hoan trinh java snippets"
"dung cau de snippets" » "dung chau de snippets", "dung cu de snippets", "dung cac de snippets", "dung cau den snippets", "dung cau do snippets", "dung cuu de 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: (((("hoan tran java snippets") or ("dung cau de snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoan tran java snippets") OR ("dung cau de snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoan tran java snippets ) or ( dung cau de snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoan tran java snippets") or ("dung cau de snippets"))) or ("locating bug code snippets"))*.