Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets"
"dung lieu hoc snippets" » "dung hieu hoc snippets", "dung tieu hoc snippets", "dung viet hoc snippets", "dung lieu khoa snippets", "dung li hoc 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 ibm code snippets") OR ("dung lieu hoc snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using ibm code snippets ) or ( dung lieu hoc snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using ibm code snippets") or ("dung lieu hoc snippets"))) or ("locating bugs code snippets"))*.