Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tranh cai da snippets" » "tranh cac da snippets", "trinh cai da snippets", "tranh chap da snippets", "tranh cai dat snippets", "tranh cai dai snippets", "tranh cai dan 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: (((("tranh cai da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tranh cai da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tranh cai da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tranh cai da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.