Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao cap danh slippers" » "cao cao danh slippers", "cao cau danh slippers", "cao tap danh slippers", "cao chat danh slippers", "cao cap danh slippery", "cao cap danh grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cao cap 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: (((("cao cap danh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao cap danh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao cap danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.