Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sang cua ve snippets" » "mang cua ve snippets", "song cua ve snippets", "hang cua ve snippets", "sang cua vi snippets", "sang cua te snippets", "sang cua vu 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: (((("sang cua ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sang cua ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sang cua ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sang cua ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.