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