Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"tao duc dan snippets" » "tao duoc dan snippets", "dao duc dan snippets", "tho duc dan snippets", "tao duc tan snippets", "tao duc dai snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java code snippets") or ("tao duc dan snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("tao duc dan snippets"))) OR ("locating bug code slippers"))*.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tao duc dan snippets ))) or ( locating bug code slippers ))*.