Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van duc hanh slippers" » "van duc thanh slippers", "van duc anh slippers", "van du hanh slippers", "van duy hanh slippers", "tran duc hanh slippers", "van duc hanh slippery", "van duc 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: (((("van duc 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: (((("van duc hanh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van duc hanh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van duc hanh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.