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