Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"goc cua da snippets" » "hoc cua da snippets", "doc cua da snippets", "goc qua da snippets", "goc cua dan snippets", "goc cua dai snippets", "goc cua dam 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: (((("goc cua da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("goc cua da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( goc cua da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("goc cua da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.