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