Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dot cua han snippets" » "doi cua han snippets", "do cua han snippets", "dat cua han snippets", "dot cua nhan snippets", "dot cua hang snippets", "dot cua phan snippets", "dot cua han 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: "((((\"dot cua han snippets\") OR (\"python using java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dot cua han snippets ) OR ( python using java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dot cua han snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.