Perhaps you should try some spelling variations:
"dang using data snippets" » "dang sinh data snippets", "data using data snippets", "dang ung data snippets", "dang using java snippets", "dang using sat snippets", "dang missing data snippets"
"dung cau chat snippets" » "dung chau chat snippets", "dung cu chat snippets", "dung cac chat snippets", "dung cao chat snippets", "dung cau hat 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 cau chat snippets") or ("dang using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cau chat snippets") OR ("dang using data snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cau chat snippets ) or ( dang using data snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cau chat snippets") or ("dang using data snippets"))) or ("locating bug code snippets"))*.