Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets", "using ibm code slippers"
"tung dan code snippets" » "dung dan code snippets", "huong dan code snippets", "trung dai code snippets", "tung dan de snippets", "tung dan 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 ibm code snippets") OR ("tung dan code snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using ibm code snippets ) or ( tung dan code snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using ibm code snippets") or ("tung dan code snippets"))) or ("locating bugs code snippets"))*.