Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh dang do snippets" » "hanh dong do snippets", "anh dang do snippets", "hanh dung do snippets", "hanh nang doc snippets", "hanh dung doi snippets", "hanh dang duc 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 dang do 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 dang do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh dang do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh dang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.