Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hung hoa do snippets" » "hang hoa do snippets", "ung hoa do snippets", "trung hoa do snippets", "hung hoa doi snippets", "hung hoa doc snippets", "hung hoa don 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 hoa do 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 hoa do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hung hoa do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hung hoa do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.