Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"duoc doi cach snippets" » "cuoc doi cach snippets", "duoc hoi cach snippets", "luoc doi cach snippets", "duoc loi cach snippets", "duoc doi canh snippets", "duoc dong 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: (((("duoc doi 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: (((("duoc doi cach snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc doi cach snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc doi cach snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.