Perhaps you should try some spelling variations:
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets"
"dung dat sach snippets" » "dung va sach snippets", "dung tai sach snippets", "dung mat sach snippets", "dung dat khach snippets", "dung nam sach 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 dat sach 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 dat sach snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( using ibm code snippets ) or ( dung dat sach snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("using ibm code snippets") or ("dung dat sach snippets"))) or ("locating bug code slippers"))*.