Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quang ma chu snippets" » "xquang ma chu snippets", "quang va chu snippets", "quang manh chu snippets", "quang ma thu snippets", "quang ma shu 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 ma chu 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 ma chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quang ma chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quang ma chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.