Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"dai duong raw snippets" » "dai cuong raw snippets", "hai duong raw snippets", "dai luong raw snippets", "dai duong ra snippets", "dai duong va snippets", "dai duong van 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 java java snippets") or ("dai duong raw snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("dai duong raw snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( dai duong raw snippets ))) or ( locating bug core snippets ))*.