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