Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"luong cac vo snippets" » "luong cuoc vo snippets", "luong va vo snippets", "luong tai vo snippets", "luong cac co snippets", "luong cac vi snippets", "luong cac bo 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: "((((\"using java code snippets\") OR (\"luong cac vo snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( using java code snippets ) OR ( luong cac vo snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") OR ("luong cac vo snippets"))) OR ("locating bugs code snippets"))*.