Perhaps you should try some spelling variations:
"dung trinh xuat slippers" » "dung tinh xuat slippers", "dong trinh xuat slippers", "cong trinh xuat slippers", "dung trinh luat slippers", "dung trinh xuan slippers", "dung trinh xay slippers", "dung trinh xuat slippery", "dung trinh xuat 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"

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 trinh xuat 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 trinh xuat slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using ibm code snippets ) or ( dung trinh xuat slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using ibm code snippets") or ("dung trinh xuat slippers"))) or ("locating bug code snippets"))*.