Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ve huong cuc snippets" » "ve huong cuoc snippets", "ve huong cua snippets", "ve uong cuc snippets", "va huong cuc snippets", "viet huong cuc 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: (((("ve huong cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ve huong cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ve huong cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ve huong cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.