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