Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap con cho snippets" » "phap cong cho snippets", "phai con cho snippets", "phap coc cho snippets", "phap ton cho snippets", "phap con chi 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: (((("phap con 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: (((("phap con cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap con cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap con cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.