Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han gio hon snippets" » "hai gio hon snippets", "han gao hon snippets", "hang giao hon snippets", "han gioi hon snippets", "han gio hoc snippets", "han gio hoac 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: (((("han gio hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han gio hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han gio hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han gio hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.