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