Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son ve cua snippets" » "son le cua snippets", "son va cua snippets", "lon ve cua snippets", "son de cua snippets", "son te cua 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 ve cua 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 ve cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son ve cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son ve cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.