Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sat quang da snippets" » "dat quang da snippets", "chat quang da snippets", "nhat quang da snippets", "sat quang dai snippets", "sat quang dam snippets", "sat quang d 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: (((("sat quang da 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 quang da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sat quang da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sat quang da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.