Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho tham chi snippets" » "chon tham chi snippets", "cho tam chi snippets", "chong tham chi snippets", "cho pham chi snippets", "cho thai chi snippets", "cho nam chi 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 tham chi 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 tham chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho tham chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho tham chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.