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