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