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