Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc chu viet slippers" » "hoc che viet slippers", "hoc khau viet slippers", "hoc su viet slippers", "hoc cau viet slippers", "hoc cho viet slippers", "hoc thuc viet slippers", "hoc chu viet slippery", "hoc chu viet 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: (((("hoc chu viet slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc chu viet slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc chu viet slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc chu viet slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.