Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"viet trong va snippets" » "viet trung va snippets", "viet thong va snippets", "viet huong va snippets", "viet trong van snippets", "viet trong ca snippets", "viet trong cac 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 ("viet trong va snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("viet trong va snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( viet trong va snippets ))) or ( locating bug core snippets ))*.