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