Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tong hop cach snippets" » "tong hoc cach snippets", "tong phap cach snippets", "tong hop danh snippets", "cong hop cach snippets", "dong hop cach snippets", "song hop cach 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: (((("tong hop cach snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tong hop cach snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tong hop cach snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tong hop cach snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.