Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhau cac che snippets" » "nhan cach che snippets", "nha cao che snippets", "phan cac che snippets", "nhau cac he snippets", "nhau cac chien snippets", "nhau cac chat 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: (((("nhau cac che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhau cac che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhau cac che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhau cac che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.