Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chun so hoc snippets" » "chun ho hoc snippets", "chun su hoc snippets", "chung co hoc snippets", "chun co hoc snippets", "chun mo hoc snippets", "chun so hoa 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: (((("chun so 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: (((("chun so hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chun so hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chun so hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.