Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"che rong cho snippets" » "che cong cho snippets", "chet trong cho snippets", "chu trong cho snippets", "che trong cho snippets", "che dong cho snippets", "che luong 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: (((("python using java snippets") or ("che rong cho snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("che rong cho snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( che rong cho snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("che rong cho snippets"))) or ("locating bug code snippets"))*.