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 cua snippets" » "vi truong cua snippets", "vi trung tuan snippets", "vi trung cap snippets", "va trung cua snippets", "viet trung cua snippets", "vien trung cua snippets"

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 cua snippets\") OR (\"using java java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( vi trung cua snippets ) OR ( using java java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi trung cua snippets") OR ("using java java snippets"))) OR ("locating bugs code snippets"))*.