Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son vinh ca snippets" » "son binh ca snippets", "son tinh ca snippets", "cong vinh ca snippets", "son vinh ha snippets", "son vinh ba 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: (((("python using java snippets") or ("son vinh ca snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("son vinh ca snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( son vinh ca snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("son vinh ca snippets"))) or ("locating bug code snippets"))*.