Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tra mot co snippets" » "tra mon co snippets", "tri mot co snippets", "trang mot co snippets", "tra mot so snippets", "tra mot cong 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 mot co 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 mot co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tra mot co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tra mot co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.