Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"cao dan trinh snippets" » "cao dan tinh snippets", "cao van trinh snippets", "cao hanh trinh snippets", "cao dang trinh snippets", "cao danh trinh snippets", "cac dan trinh snippets", "cao dan trinh slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("cao dan trinh snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao dan trinh snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao dan trinh snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao dan trinh snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.