Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong tuc cham snippets" » "dong thuc cham snippets", "dong luc cham snippets", "dong tu cham snippets", "dong toc cham snippets", "dong phuc cham 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: (((("dong tuc cham snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong tuc cham snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong tuc cham snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tuc cham snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.