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