Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"trong tan hoi snippets" » "trong san hoi snippets", "trong quan hoi snippets", "trong cac hoi snippets", "trong dan hoi snippets", "trong tao hoi snippets", "trong tay hoi snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs 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 ("trong tan hoi snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trong tan hoi snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("trong tan hoi snippets"))) or ("locating bug code snippets"))*.