Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"don hoc anh snippets" » "dong hoc anh snippets", "mon hoc anh snippets", "dan hoc anh snippets", "don hoc nganh snippets", "don hoc nhanh snippets", "don hoc sinh snippets", "don hoc anh 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: "((((\"don hoc anh snippets\") OR (\"python using java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( don hoc anh snippets ) OR ( python using java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("don hoc anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.