Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang van cau snippets" » "dang van cau snippets", "tang van cau snippets", "lang van cau snippets", "nang van dau snippets", "nang van hau snippets", "nang van chat 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: (((("nang van cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang van cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang van cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang van cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.