Perhaps you should try some spelling variations:
"missing data code snippets" » "using data code snippets", "missing rate code snippets"
"dan dung he snippets" » "van dung he snippets", "tin dung he snippets", "ap dung he snippets", "dan dung cho snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("missing data code snippets") OR ("dan dung he snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( missing data code snippets ) or ( dan dung he snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("missing data code snippets") or ("dan dung he snippets"))) or ("locating bug code snippets"))*.