Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"nhung cu cham snippets" » "nhung cau cham snippets", "nhung chu cham snippets", "chung cu cham snippets", "nhung tu cham snippets", "nhung vu cham 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: (((("nhung cu cham snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung cu cham snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung cu cham snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung cu cham snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.