Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat le dong snippets" » "hat le hong snippets", "hat le dang snippets", "hat ly dong snippets", "nhat le dong snippets", "hat de dong snippets", "hat ke dong 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 dong 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 dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat le dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat le dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.