Perhaps you should try some spelling variations:
"canh trinh java snippets" » "canh tranh java snippets", "hanh trinh java snippets", "canh tinh 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: (((("canh trinh 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: (((("canh trinh java snippets") OR ("dung cau de snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( canh trinh java snippets ) or ( dung cau de snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("canh trinh java snippets") or ("dung cau de snippets"))) or ("locating bug code snippets"))*.