Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con tap cao snippets" » "cong tac cao snippets", "toan tap cao snippets", "cong tan cao snippets", "con tap co snippets", "con tao cao snippets", "con tap 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: (((("con tap cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con tap cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con tap cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con tap cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.