Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh ban da snippets" » "minh bac da snippets", "minh can da snippets", "minh san da snippets", "minh ban dan snippets", "minh ban dau snippets", "minh ban dac 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: (((("minh ban 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: (((("minh ban da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh ban da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh ban da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.