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