Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"vi trung lop snippets" » "vi truong lop snippets", "vi trung lap snippets", "vi trung long snippets", "va trung lop snippets", "viet trung lop snippets", "vien trung lop 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 lop snippets") or ("using java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vi trung lop snippets") OR ("using java java snippets"))) OR ("locating bugs code snippets"))*.
• Removing quotes may allow a broader search: (((( vi trung lop snippets ) or ( using java java snippets ))) or ( locating bugs code snippets ))*.