Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc hieu vu slippers" » "toc thieu vu slippers", "hoc thieu vu slippers", "hoc hien vu slippers", "doc hieu va slippers", "doc hieu ve slippers", "doc hieu su slippers", "doc hieu vu slippery", "doc hieu 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: (((("doc hieu 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: (((("doc hieu vu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc hieu vu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc hieu vu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.