Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"cuon sach toc snippets" » "duong sach toc snippets", "cuoc cach toc snippets", "co sach toc snippets", "cuon bach tuoc snippets", "cuon sach duoc snippets", "cuon sach nuoc 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 snippets") or ("cuon sach toc snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("cuon sach toc snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( cuon sach toc snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("cuon sach toc snippets"))) or ("locating bugs code snippets"))*.