Perhaps you should try some spelling variations:
"data using java snippets" » "data using data snippets"
"dung chua chay snippets" » "dung cua chay snippets", "cung chua chay snippets", "dung nhua chay snippets", "dung chua may snippets", "dung chu chan snippets", "dung cua cha 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 chua chay 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 chua chay snippets") OR ("data using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung chua chay snippets ) or ( data using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung chua chay snippets") or ("data using java snippets"))) or ("locating bug code snippets"))*.