Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan te cua snippets" » "nhan ve cua snippets", "nhan tieu cua snippets", "nhan tren cua snippets", "nhan le cua snippets", "nhan de 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: (((("nhan te 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: (((("nhan te cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan te cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan te cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.