Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung bo se snippets" » "nhung bi se snippets", "nhung bai se snippets", "nhung don se snippets", "nhung bo de snippets", "nhung bo ke snippets", "nhung bo me 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 bo se 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 bo se snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung bo se snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung bo se snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.