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