Perhaps you should try some spelling variations:
"dang java java snippets" » "dang va java snippets"
"dung thu hoi snippets" » "ung thu hoi snippets", "dung phu hoi snippets", "dung thi hoi snippets", "dung thu hoai snippets", "dung thu phoi snippets", "dung thu hai 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: (((("dang java java snippets") or ("dung thu hoi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang java java snippets") OR ("dung thu hoi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( dung thu hoi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("dung thu hoi snippets"))) or ("locating bug code snippets"))*.