Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat hiem can snippets" » "dat hieu can snippets", "dat thien can snippets", "bao hiem can snippets", "dat tiem can snippets", "dat diem can snippets", "dat hiem ngan 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: (((("dat hiem can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat hiem can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat hiem can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat hiem can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.