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