Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi ke cho snippets" » "thi le cho snippets", "thi kiem cho snippets", "thi kieu cho snippets", "thi keo cho snippets", "thi ke che snippets", "thi ke co 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: (((("thi ke 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: (((("thi ke cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi ke cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi ke cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.