Perhaps you should try some spelling variations:
"cong hon code snippets" » "cong hoan code snippets", "cong hoa code snippets", "cong lon code snippets", "cong hon core snippets", "cong hon code slippers"
"hang va java snippets" » "hang java java snippets", "hang va java slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: (((("cong hon code snippets") or ("hang va java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong hon code snippets") OR ("hang va java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong hon code snippets ) or ( hang va java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hon code snippets") or ("hang va java snippets"))) or ("locating bug code snippets"))*.