Perhaps you should try some spelling variations:
"cuon dinh cua snippets" » "cuon danh cua snippets", "cuong linh cua snippets", "cuong danh cua snippets", "cuon dinh cuu snippets", "cuon sinh cua snippets", "cuon dinh cu snippets"
"dung java java snippets" » "dung va java 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: (((("cuon dinh cua snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuon dinh cua snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuon dinh cua snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuon dinh cua snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.