Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hon tac cua snippets" » "hop tac cua snippets", "huong tac cua snippets", "cong tac cua snippets", "hon tac quan snippets", "hon thuc 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: (((("hon tac 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: (((("hon tac cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hon tac cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hon tac cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.