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