Perhaps you should try some spelling variations:
"cuong trinh tu slippers" » "chuong trinh tu slippers", "cong trinh tu slippers", "phuong trinh tu slippers", "cuong trinh ky slippers", "cuong trinh do slippers", "cuong trinh tu slippery", "cuong trinh tu grippers"
"using java code snippets" » "using data code snippets", "using java core snippets"
"locating bug code snippets" » "locating bug core 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 java code snippets") or ("cuong trinh tu slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("cuong trinh tu slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( cuong trinh tu slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("cuong trinh tu slippers"))) or ("locating bug code snippets"))*.