Perhaps you should try some spelling variations:
"data using data snippets" » "data using java snippets", "data using sat snippets", "data missing data snippets"
"dong danh ca snippets" » "dong doanh ca snippets", "dong anh ca snippets", "cong danh ca snippets", "dong dan ca snippets", "dong doanh cua snippets", "dong danh cho snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dong danh ca snippets") or ("data using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong danh ca snippets") OR ("data using data snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong danh ca snippets ) or ( data using data snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong danh ca snippets") or ("data using data snippets"))) or ("locating bug code snippets"))*.