Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using real java snippets" » "using metal java snippets", "using raw java snippets"
"vi trung co snippets" » "va trung co snippets", "viet trung co snippets", "vien trung co snippets", "vi trung bo snippets", "vi trong co snippets", "vi truong cao 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 trung co snippets") or ("using real java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vi trung co snippets") OR ("using real java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( vi trung co snippets ) or ( using real java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vi trung co snippets") or ("using real java snippets"))) or ("locating bugs code snippets"))*.