Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"using java java snippets" » "using data java snippets"
"van cong tac snippets" » "van dong tac snippets", "van phong tac snippets", "phan cong tac snippets", "van cong ty 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 java java snippets") OR ("van cong tac snippets"))) OR ("locating bug code slippers"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using java java snippets\") OR (\"van cong tac snippets\"))) OR (\"locating bug code slippers\"))*".
• Removing quotes may allow a broader search: (((( using java java snippets ) OR ( van cong tac snippets ))) OR ( locating bug code slippers ))*.