Perhaps you should try some spelling variations:
"hoang quoc cham snippets" » "hoang phuoc cham snippets", "han quoc cham snippets", "toan quoc cham snippets", "hoang quoc chan snippets", "hoang duoc pham snippets", "hoang toc cham 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: (((("hoang quoc 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: (((("hoang quoc cham snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoang quoc cham snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoang quoc cham snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.