Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nha chu can snippets" » "nha cu can snippets", "nha chung can snippets", "nhan chua can snippets", "nha chu chan snippets", "nha chuc can snippets", "nha chu han 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: (((("nha chu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nha chu can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nha chu can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nha chu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.