Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"vi trinh luan snippets" » "vi trinh luat snippets", "vi trinh quan snippets", "vi trinh han snippets", "vi tinh luan snippets", "va trinh luan snippets", "viet trinh luan snippets"
"using java java snippets" » "using data java snippets"

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

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