Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap nhung ho snippets" » "vap nhung ho snippets", "va nhung ho snippets", "dap ung ho snippets", "dap nhung hoc snippets", "dap nhung kho snippets", "dap nhung nho 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 nhung ho 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 nhung ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap nhung ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap nhung ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.