Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bai tang che snippets" » "ba tang che snippets", "bai giang che snippets", "bai trong che snippets", "bai sang che snippets", "bai tang cho snippets", "bai bang che 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 tang 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 tang che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bai tang che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bai tang che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.