Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh han doc snippets" » "anh nhan doc snippets", "anh phan doc snippets", "hanh han doc snippets", "anh than doc snippets", "anh nhan duoc snippets", "anh nhanh doc 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 han doc 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 han doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh han doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh han doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.