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