Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc oi minh snippets" » "hoc thoi minh snippets", "hoc chi minh snippets", "hoc thi minh snippets", "hoc noi minh snippets", "hoc moi minh snippets", "hoc doi minh snippets", "hoc oi minh 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc oi minh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( hoc oi minh snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hoc oi minh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.