Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hon su cao snippets" » "hon so cao snippets", "don su cao snippets", "thong su cao snippets", "hon cu cao snippets", "hon vu cao snippets", "hon su 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: (((("hon su cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hon su cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hon su cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hon su cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.