Perhaps you should try some spelling variations:
"data using java snippets" » "data using data snippets", "data using java slippers"
"tung dan viet snippets" » "dung dan viet snippets", "huong dan viet snippets", "trung dai viet snippets", "tung danh viet snippets", "tung san viet snippets", "tung dao viet snippets", "tung dan viet 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: (((("data using java snippets") or ("tung dan viet snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data using java snippets") OR ("tung dan viet snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( data using java snippets ) or ( tung dan viet snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data using java snippets") or ("tung dan viet snippets"))) or ("locating bug code snippets"))*.