Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong bao hoi snippets" » "dong bac hoi snippets", "dong dao hoi snippets", "dong ban hoi snippets", "dong bao hoa snippets", "dong bao hoc snippets", "dong tao hoi 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: (((("dong bao hoi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong bao hoi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong bao hoi snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong bao hoi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.