Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"vi luong dao snippets" » "vi duong dao snippets", "vi truong dao snippets", "vi luong giao snippets", "dai luong dao snippets", "van luong dao snippets", "hai luong dao snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vi luong dao snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( vi luong dao snippets ) or ( using java java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi luong dao snippets") or ("using java java snippets"))) or ("locating bug core snippets"))*.