Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"su trong voi snippets" » "su trong doi snippets", "su trong moi snippets", "su tuong voi snippets", "tu trong voi snippets", "su trung voi snippets", "vu trong voi 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: (((("su trong voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("su trong voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( su trong voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("su trong voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.