Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code slippers" » "using data code slippers"
"cong cau data snippets" » "cong cu data snippets", "cong chuc data snippets", "thong cau data snippets", "cong a data snippets", "cong cau hat snippets", "cong cau 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 ("cong cau data snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code slippers") OR ("cong cau data snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java code slippers ) or ( cong cau data snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code slippers") or ("cong cau data snippets"))) or ("locating bugs code snippets"))*.