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