Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van dap mo snippets" » "van dao mo snippets", "va dap mo snippets", "van dau mo snippets", "van dap mon snippets", "van dap so 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: (((("van dap mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van dap mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van dap mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van dap mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.