Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bui minh toi snippets" » "chi minh toi snippets", "thi minh toi snippets", "vu minh toi snippets", "bui minh tri snippets", "bui dinh toi snippets", "bui hinh toi 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: (((("bui minh toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bui minh toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bui minh toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bui minh toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.