Perhaps you should try some spelling variations:
"dung giai chieu snippets" » "dung giai code snippets", "dung gioi thieu snippets", "dung gian hieu snippets", "dung gia hieu snippets", "duong giai chieu snippets", "dung giao chieu snippets", "dung giam chieu snippets"
"locating bug core snippets" » "locating bug code 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: (((("dung giai chieu snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung giai chieu snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung giai chieu snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung giai chieu snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.