Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dung vit ngan snippets" » "dung viet ngan snippets", "dung vi ngan snippets", "dung vat ngan snippets", "dung vu ngan snippets", "dung kim ngan snippets", "dung von ngan 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 ("dung vit ngan snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dung vit ngan snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dung vit ngan snippets"))) or ("locating bug core snippets"))*.