Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong phan cac snippets" » "dong phan code snippets", "dung phan cac snippets", "cong phan cac snippets", "dong chan cac snippets", "dong nhan cach snippets", "dong phan dau snippets", "dong phan lap 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 phan cac 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 phan cac snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong phan cac snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong phan cac snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.