Perhaps you should try some spelling variations:
"vien trung cap slippers" » "vien truong cap slippers", "viet trung cap slippers", "mien trung cap slippers", "vien truong cao slippers", "vien trung tam slippers", "vien trung cap slippery", "vien trung cap grippers"
"using java java snippets" » "using data java snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

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