Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh mo chon snippets" » "anh mo cho snippets", "anh mo phong snippets", "hanh mo chon snippets", "anh co chon snippets", "anh so chon 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: (((("anh mo chon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh mo chon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh mo chon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh mo chon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.