Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kinh hoc can snippets" » "sinh hoc can snippets", "hinh hoc can snippets", "tinh hoc can snippets", "kinh hoc dan snippets", "kinh hoc cao snippets", "kinh hoc cac 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: (((("kinh hoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kinh hoc can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kinh hoc can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kinh hoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.