Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho canh cha snippets" » "cho can cha snippets", "kho canh cha snippets", "cho doanh cha snippets", "cho canh chau snippets", "cho canh cua snippets", "cho thanh cha 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 canh cha 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 canh cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho canh cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho canh cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.