Perhaps you should try some spelling variations:
"data using java snippets" » "data using data snippets"
"dung cap can snippets" » "duong cap can snippets", "cung cap can snippets", "dung cac can snippets", "dung cap han snippets", "dung cap van snippets", "dung tap can snippets"
"locating bug code snippets" » "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: (((("dung cap can snippets") or ("data using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cap can snippets") OR ("data using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cap can snippets ) or ( data using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cap can snippets") or ("data using java snippets"))) or ("locating bug code snippets"))*.