Perhaps you should try some spelling variations:
"data using java snippets" » "data using data snippets", "data using java slippers"
"tung dan ket snippets" » "dung dan ket snippets", "huong dan ket snippets", "trung dai ket snippets", "tung dan ke snippets", "tung gan ket snippets", "tung van ket snippets", "tung dan ket slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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 ket 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 ket snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( data using java snippets ) or ( tung dan ket snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data using java snippets") or ("tung dan ket snippets"))) or ("locating bug code snippets"))*.