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