Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung gi te snippets" » "nhung bi te snippets", "nhung bai te snippets", "nhung gi de snippets", "nhung gi he snippets", "nhung gi ta 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: (((("nhung gi te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung gi te snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung gi te snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung gi te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.