Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets"
"dai cuong van snippets" » "tai cong van snippets", "dai duong van snippets", "dai luong van snippets", "dai muong van 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 data java snippets") OR ("dai cuong van snippets"))) OR ("locating bug code slippers"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using data java snippets\") OR (\"dai cuong van snippets\"))) OR (\"locating bug code slippers\"))".
• Removing quotes may allow a broader search: (((( using data java snippets ) OR ( dai cuong van snippets ))) OR ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("using data java snippets") OR ("dai cuong van snippets"))) OR ("locating bug code slippers"))*.