Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"vi minh danh snippets" » "vi sinh danh snippets", "vi tinh danh snippets", "vu minh danh snippets", "vi minh doanh snippets", "vi minh dan snippets", "vi minh dinh snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("vi minh danh snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"vi minh danh snippets\") OR (\"using java java snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( vi minh danh snippets ) OR ( using java java snippets ))) OR ( locating bug core snippets ))*.