Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"manh tu hon snippets" » "anh tu hon snippets", "danh tu hon snippets", "hanh tu hon snippets", "manh tu chon snippets", "manh tuc hon snippets", "manh tu hoc 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: (((("manh tu hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("manh tu hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( manh tu hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("manh tu hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.