Perhaps you should try some spelling variations:
"dung sinh java snippets" » "duong sinh java snippets", "dang sinh java snippets", "dung ninh java snippets", "dung trinh java snippets", "dung using java snippets", "dung sinh va snippets"
"trong van can snippets" » "trong cac can snippets", "trong van canh snippets", "trong van ban snippets", "trong ban can snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung sinh java snippets") or ("trong van can snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung sinh java snippets") OR ("trong van can snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung sinh java snippets ) or ( trong van can snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung sinh java snippets") or ("trong van can snippets"))) or ("locating bug code snippets"))*.