Perhaps you should try some spelling variations:
"dung quang tao slippers" » "dang quang tao slippers", "luong quang tao slippers", "dung luan tao slippers", "dung quang cao slippers", "dung quang bao slippers", "dung quang tay slippers", "dung quang tao slippery", "dung quang tao grippers"
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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