Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho tap can snippets" » "cho dap can snippets", "cho tam can snippets", "chon tao can snippets", "cho tap van snippets", "cho tap cac snippets", "cho tac can 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 tap can 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 tap can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho tap can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho tap can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.