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