Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hung chua cu snippets" » "cung chua cu snippets", "hung chu cu snippets", "chung chuan cu snippets", "hung chua cau snippets", "hung cua cu snippets", "hung chua co 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 chua 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: (((("hung chua cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hung chua cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hung chua cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.