Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hung do cua snippets" » "hung dao cua snippets", "chung do cua snippets", "dung do cua snippets", "hung doi cua snippets", "hung co cua snippets", "hung de 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: (((("hung do cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hung do cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hung do cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hung do cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.