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