Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huy tong cot snippets" » "huy thong cot snippets", "huy tuong cot snippets", "huy dong cot snippets", "huy tong cong snippets", "huy tong hop snippets", "huy dong co 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: (((("huy tong cot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huy tong cot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huy tong cot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huy tong cot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.