Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giao xu hon snippets" » "gian xu hon snippets", "giao su hon snippets", "giao duc hon snippets", "giao xu thon snippets", "giao xu son snippets", "giao tu hon 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: (((("giao xu 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: (((("giao xu hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giao xu hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giao xu hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.