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