Perhaps you should try some spelling variations:
"missing data code snippets" » "using data code snippets", "missing rate code snippets"
"dung va chi snippets" » "dung van chi snippets", "dung va che snippets", "dung va cai 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"missing data code snippets\") OR (\"dung va chi snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( missing data code snippets ) OR ( dung va chi snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("missing data code snippets") OR ("dung va chi snippets"))) OR ("locating bug code snippets"))*.