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 viet do snippets" » "nang viet do snippets", "cong viet do snippets", "mang viet do snippets", "dung viet dao snippets", "dung viet doi snippets", "dung viet o snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using ibm code snippets") or ("dung viet do snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using ibm code snippets") OR ("dung viet do snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using ibm code snippets ) or ( dung viet do snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using ibm code snippets") or ("dung viet do snippets"))) or ("locating bugs code snippets"))*.