Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"chung cu cach snippets" » "chung cuu cach snippets", "chung tu cach snippets", "chung ca cach snippets", "nhung cu cach snippets", "cung cu 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: (((("chung cu 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: (((("chung cu cach snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chung cu cach snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chung cu cach snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.