Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bui minh loc snippets" » "chi minh loc snippets", "thi minh loc snippets", "vu minh loc snippets", "bui minh ngoc snippets", "bui minh duc snippets", "bui minh hoa 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 loc 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 loc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bui minh loc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bui minh loc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.