Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bach han cho snippets" » "sach han cho snippets", "bach ha cho snippets", "bach dan cho snippets", "bach hang cho snippets", "bach han che snippets", "bach san cho 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: (((("bach han 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: (((("bach han cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bach han cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bach han cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.