Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"viet trong cao snippets" » "viet trong code snippets", "viet trung cao snippets", "viet thong cao snippets", "viet huong cao snippets", "viet truong cao snippets", "viet trong cac snippets", "viet trong ca snippets"
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low 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: (((("viet trong cao snippets") or ("using raw java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("viet trong cao snippets") OR ("using raw java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( viet trong cao snippets ) or ( using raw java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viet trong cao snippets") or ("using raw java snippets"))) or ("locating bug core snippets"))*.