Perhaps you should try some spelling variations:
"vi luong trong snippets" » "vi duong trong snippets", "vi duong truong snippets", "vi thuong trong snippets", "dai luong trong snippets", "van luong trong snippets", "hai luong trong snippets", "vi luong trong 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: (((("using java java snippets") or ("vi luong trong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("vi luong trong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( vi luong trong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("vi luong trong snippets"))) or ("locating bug code snippets"))*.