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