Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tra da cau snippets" » "tra ha cau snippets", "tra du cau snippets", "trac dia cau snippets", "tra dat cau snippets", "tra va cau 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 da cau 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 da cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tra da cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tra da cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.