Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son binh do snippets" » "son tinh do snippets", "son vinh do snippets", "song minh do snippets", "son binh d snippets", "son kinh do snippets", "son benh do 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 binh do 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 binh do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son binh do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son binh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.