Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran do cua snippets" » "trang do cua snippets", "toan do cua snippets", "tuan do cua snippets", "tran doi cua snippets", "tran co 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 do 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 do cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran do cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran do cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.