Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"sat van duy snippets" » "sat va duy snippets", "hat van duy snippets", "hoat van duy snippets", "sat van dung snippets", "sat van duy slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("sat van duy snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sat van duy snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sat van duy snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sat van duy snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.