Perhaps you should try some spelling variations:
"missing data java snippets" » "using data java snippets", "missing java java snippets"
"va dung code snippets" » "va dung cong snippets", "va dung co snippets", "va dung de snippets", "van dung code snippets", "va duong code snippets", "vat dung code snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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

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