Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"missing data java snippets" » "using data java snippets", "missing java java snippets"
"vi cong tac snippets" » "vi cong ty snippets", "voi cong tac snippets", "va cong tac snippets", "vu cong tac 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: (((("missing data java snippets") OR ("vi cong tac snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( missing data java snippets ) or ( vi cong tac snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("missing data java snippets") or ("vi cong tac snippets"))) or ("locating bug core snippets"))*.