Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran di cua snippets" » "tran si cua snippets", "tran mi cua snippets", "tran dinh cua snippets", "tran dai cua snippets", "tran doi cua snippets", "tran de cua 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: (((("tran di cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran di cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran di cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran di cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.