Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using dan cho snippets" » "using dan code snippets", "using data cho snippets", "using a cho snippets", "using raw cho snippets", "using danh cho snippets", "using san cho snippets", "using dac cho snippets"
"dung java java snippets" » "dung va java snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using dan cho snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using dan cho snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( using dan cho snippets ) OR ( dung java java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using dan cho snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets"))*.