Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bi lanh can snippets" » "bi lanh bang snippets", "bi lanh cong snippets", "bi lanh manh snippets", "thi lanh can snippets", "gia lanh can snippets", "gio lanh can 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: (((("bi lanh can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bi lanh can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bi lanh can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bi lanh can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.