Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dung anh vu snippets" » "dung danh vu snippets", "duong anh vu snippets", "dong anh vu snippets", "dung hanh vu snippets", "dung anh tu snippets", "dung anh va snippets", "dung anh vu slippers"
"locating bug code snippets" » "locating bug code slippers", "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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung anh vu snippets\") OR (\"python using java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung anh vu snippets ) OR ( python using java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung anh vu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.