Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat mon hoc snippets" » "chat moi hoc snippets", "hat mon hoc snippets", "chat long hoc snippets", "chat toan hoc snippets", "chat dong 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: (((("chat mon 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: (((("chat mon hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat mon hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat mon hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.