Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat han lon snippets" » "hat nhan lon snippets", "hat dan lon snippets", "hat van lon snippets", "hat han tong snippets", "hat hai long snippets", "hat phan lan 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 han lon 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 han lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat han lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat han lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.