Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using real java snippets" » "using metal java snippets", "using raw java snippets", "using real java slippers"
"vi trung ha snippets" » "va trung ha snippets", "viet trung ha snippets", "vien trung ha snippets", "vi trung hoc snippets", "vi trung tam snippets", "vi trung cap snippets", "vi trung ha slippers"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"vi trung ha snippets\") OR (\"using real java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( vi trung ha snippets ) OR ( using real java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi trung ha snippets") OR ("using real java snippets"))) OR ("locating bugs code snippets"))*.