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