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