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