Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"san phau con snippets" » "san pham con snippets", "san phu con snippets", "san khau con snippets", "san phai con snippets", "san phan cong snippets", "san pham cong 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: (((("san phau con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("san phau con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san phau con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san phau con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.