Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat hang cac snippets" » "hoat hang cac snippets", "dat hang cac snippets", "mat hang cac snippets", "hat hang ca snippets", "hat hang cau snippets", "hat bang cac 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 hang cac 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 hang cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat hang cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat hang cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.