Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code slippers" » "using data code slippers"
"dong duc han snippets" » "duong duc han snippets", "dong duoc han snippets", "dong luc han snippets", "dong duc phan snippets", "dong duc hanh snippets", "dong duc hoan 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 code slippers") OR ("dong duc han snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code slippers ) or ( dong duc han snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code slippers") or ("dong duc han snippets"))) or ("locating bugs code snippets"))*.