Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son ban cong snippets" » "son bang cong snippets", "son van cong snippets", "son phan cong snippets", "song ban cong snippets", "con ban cong snippets", "hon ban cong 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: (((("son ban cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("son ban cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son ban cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son ban cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.