Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho nang son snippets" » "cao nang son snippets", "cho hang son snippets", "ho nang son snippets", "cho nang song snippets", "cho nang soan snippets", "cho lang son 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: (((("cho nang son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho nang son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho nang son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho nang son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.