Perhaps you should try some spelling variations:
"cuoc chien cac snippets" » "cac chien cac snippets", "cuoc chinh cac snippets", "ngoc chien cac snippets", "cuoc hien cac snippets", "cuoc thien cac snippets", "cuoc chien cuoc 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: (((("cuoc chien 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 chien cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuoc chien cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuoc chien cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.