Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giang hai so snippets" » "giang mai so snippets", "giang giai so snippets", "giang hlah so snippets", "giang dai so snippets", "giang tai so snippets", "giang thai son 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: (((("giang hai so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giang hai so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giang hai so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giang hai so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.