Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan ca voi snippets" » "nhan cua voi snippets", "nhan va voi snippets", "nhap ca voi snippets", "nhan cap voi snippets", "nhan ba voi snippets", "nhan da voi 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 ca voi 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 ca voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan ca voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan ca voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.