Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"trinh co tang snippets" » "trinh do tang snippets", "trinh cong tang snippets", "trinh hoa tang snippets", "trinh cao tang snippets", "trinh cho tang snippets", "trinh ca tang snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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 code snippets") OR ("trinh co tang snippets"))) OR ("locating bug code slippers"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trinh co tang snippets ))) or ( locating bug code slippers ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("trinh co tang snippets"))) or ("locating bug code slippers"))*.