Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung dung con snippets" » "dung dung code snippets", "duong dung con snippets", "ung dung con snippets", "dung ung con snippets", "dung dung cong snippets", "dung dung von snippets", "dung dung co snippets"
"dong using java snippets" » "dong ming java snippets", "dong song java snippets", "dong using data 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 using java snippets") or ("dung dung con snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong using java snippets") OR ("dung dung con snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong using java snippets ) or ( dung dung con snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong using java snippets") or ("dung dung con snippets"))) or ("locating bug core snippets"))*.