Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"vi thanh van snippets" » "vi thanh san snippets", "vi thanh toan snippets", "vi thanh phan snippets", "thi thanh van snippets", "gia thanh van snippets", "tai thanh 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 ("vi thanh van snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using java java snippets\") OR (\"vi thanh van snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( using java java snippets ) OR ( vi thanh van snippets ))) OR ( locating bug core snippets ))*.