Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran minh vu slippers" » "tran dinh vu slippers", "van minh vu slippers", "xuan minh vu slippers", "tran minh vua slippers", "tran minh va slippers", "tran minh ve slippers", "tran minh vu slippery", "tran minh vu 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: (((("tran minh vu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran minh vu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran minh vu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran minh vu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.