Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham va cau snippets" » "pham va cau snippets", "cham va cau snippets", "nam va cau snippets", "ham van cau snippets", "ham va cac snippets", "ham va dau 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: (((("ham va cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ham va cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham va cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham va cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.