Perhaps you should try some spelling variations:
"sinh thuc cac snippets" » "trinh thuc cac snippets", "sinh hoc cac snippets", "sinh thai cac snippets", "sinh thuc cach snippets", "sinh tuc cac snippets", "sinh phuc cac 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: (((("sinh thuc 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: (((("sinh thuc cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sinh thuc cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sinh thuc cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.