Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat lam cua snippets" » "nha lam cua snippets", "phat lam cua snippets", "nhat ban cua snippets", "nhat nam cua snippets", "nhat lam 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: (((("nhat lam cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat lam cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat lam cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat lam cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.