Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"can tranh van snippets" » "canh tranh van snippets", "tan tran van snippets", "van ranh van snippets", "can tran van snippets", "can trinh van snippets", "can thanh van 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: (((("can tranh van snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( can tranh van snippets ) or ( using java java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("can tranh van snippets") or ("using java java snippets"))) or ("locating bug core snippets"))*.