Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"tac can cham snippets" » "tac ca cham snippets", "tac can chan snippets", "tac cau cham snippets", "tac van cham snippets", "tac quan cham snippets", "tac vang cham snippets"
"locating bug core snippets" » "locating bug code snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("tac can cham snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tac can cham snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tac can cham snippets"))) or ("locating bug core snippets"))*.