Perhaps you should try some spelling variations:
"hang java java snippets" » "hang va java snippets"
"dung dat anh slippers" » "dung va anh slippers", "dung tai anh slippers", "dung sat anh slippers", "dung dat khanh slippers", "dung nhat anh slippers", "dung dat anh slippery", "dung dat anh grippers"
"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 dat anh slippers") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dat anh slippers") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dat anh slippers ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dat anh slippers") or ("hang java java snippets"))) or ("locating bug code snippets"))*.