Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat gian cua snippets" » "bai giang cua snippets", "bac giang cua snippets", "dan gian cua snippets", "bat gian xu snippets", "bat ban cua 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: (((("bat gian cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bat gian cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat gian cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat gian cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.