Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang hung che snippets" » "dang hung code snippets", "dang quang che snippets", "manh hung che snippets", "dang cong che snippets", "dang dung che snippets", "dang hung chu snippets", "dang chung chi 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: (((("dang hung che snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang hung che snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang hung che snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang hung che snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.