Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat le chan snippets" » "hat le thanh snippets", "hat le khanh snippets", "hat le thang snippets", "nhat le chan snippets", "hat de chan snippets", "hat ke chan 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: (((("hat le chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hat le chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat le chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat le chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.