Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"het benh cua snippets" » "hut benh cua snippets", "hoc benh cua snippets", "hap benh cua snippets", "het benh chua snippets", "het menh cua snippets", "het benh luan 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: (((("het benh 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: (((("het benh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( het benh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("het benh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.