Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"cuoc cach cac snippets" » "cuoc ca cac snippets", "cuoc tich cac snippets", "cuoc sach cap snippets", "quoc cach cac snippets", "duoc cach cac 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: (((("cuoc cach cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuoc cach cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuoc cach cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuoc cach cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.