Perhaps you should try some spelling variations:
"dung trong viet snippets" » "dung truong viet snippets", "dung thong viet snippets", "dung trong viec snippets"
"using ibm code snippets" » "using rbf code snippets", "using lbm code 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.

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