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