Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hap tong cot snippets" » "han tong cot snippets", "cap tong cot snippets", "phap thong cot snippets", "hap tong cong snippets", "hap tong hop snippets", "hap 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: (((("hap 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: (((("hap tong cot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hap tong cot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hap tong cot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.