Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code slippers" » "using data code slippers"
"bai luan danh snippets" » "bai luan thanh snippets", "bai luan van snippets", "bai luan nang snippets", "bai toan danh snippets", "li luan danh snippets", "vay luan danh 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: (((("using java code slippers") or ("bai luan danh snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code slippers") OR ("bai luan danh snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java code slippers ) or ( bai luan danh snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code slippers") or ("bai luan danh snippets"))) or ("locating bugs code snippets"))*.