Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bai phan che snippets" » "tai phan che snippets", "bi phan che snippets", "hai phan che snippets", "bai han che snippets", "bai phap che snippets", "bai phan thi 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: (((("bai phan che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bai phan che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bai phan che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bai phan che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.