Perhaps you should try some spelling variations:
"dual lang chai snippets" » "dua lang chai snippets", "dual land chai snippets", "quan lang chai snippets", "dual lang ha snippets", "dual lang cua snippets", "dual lang phi 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: (((("dual lang chai snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dual lang chai snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dual lang chai snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dual lang chai snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.