Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"tan van trinh snippets" » "tan van thinh snippets", "tan van tinh snippets", "tan dan trinh snippets", "tran van trinh snippets", "tang van trinh snippets", "luan van trinh snippets", "tan van 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: (((("tan van 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: (((("tan van trinh snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan van trinh snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan van trinh snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.