Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mieng va cao snippets" » "muong va cao snippets", "giong va cao snippets", "mang va cao snippets", "mieng va cac snippets", "mieng va co snippets", "mieng va dao 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: (((("mieng va cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mieng va cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mieng va cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mieng va cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.