Perhaps you should try some spelling variations:
"jong chat chong snippets" » "jong chat phong snippets", "jong chat luong snippets", "jong chat long snippets", "cong chat chong snippets", "jong chan chong snippets", "song chat chong 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: (((("jong chat chong snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("jong chat chong snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( jong chat chong snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("jong chat chong snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.