Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang cac cu snippets" » "hang ca cu snippets", "hang cau cu snippets", "bang cac cu snippets", "hang cac cau snippets", "hang cac chu snippets", "hang cac cua 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: (((("hang cac cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang cac cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang cac cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang cac cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.