Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"using real java snippets" » "using metal java snippets", "using raw java snippets"
"vi ung data snippets" » "vi using data snippets", "vi dung dat snippets", "vi big data snippets", "va ung data snippets", "vi luong data snippets", "vi trung data snippets"

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

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