Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung cac data snippets" » "luong cac data snippets", "dung cho data snippets", "dung tai data snippets", "dung cac dan snippets", "dung cac dang snippets", "dung cac dai snippets"
"hanh va java snippets" » "hang va java snippets", "hanh vi java snippets", "hanh java java 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: (((("hanh va java snippets") or ("dung cac data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh va java snippets") OR ("dung cac data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hanh va java snippets ) or ( dung cac data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh va java snippets") or ("dung cac data snippets"))) or ("locating bug core snippets"))*.