Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can van hanh slippers" » "can van thanh slippers", "can ban hanh slippers", "can van anh slippers", "cac van hanh slippers", "tan van hanh slippers", "can van hanh slippery", "can van hanh 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: (((("can van hanh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can van hanh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can van hanh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can van hanh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.