Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"vi trung dao snippets" » "vi truong dao snippets", "vi trung dai snippets", "vi trong dao snippets", "va trung dao snippets", "viet trung dao snippets", "vien trung 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: (((("using java java snippets") OR ("vi trung dao snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( vi trung dao snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("vi trung dao snippets"))) or ("locating bug core snippets"))*.