Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong chen cuc snippets" » "dong chen code snippets", "dong chan cuc snippets", "dong che cuc snippets", "dong chuyen cuc snippets", "dong chien cuoc snippets", "dong chi cuc snippets", "dong chen yu snippets"
"dung java java snippets" » "dung va java 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 chen cuc snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong chen cuc snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong chen cuc snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong chen cuc snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.