Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoa chinh do snippets" » "hoan chinh do snippets", "hoa hinh do snippets", "hoc chinh do snippets", "hoa chinh so snippets", "hoa chinh du snippets", "hoa chinh cho 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: (((("hoa chinh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoa chinh do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoa chinh do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoa chinh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.