Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"110 tang du snippets" » "110 tan du snippets", "10 tang du snippets", "11 tang du snippets", "110 nang du snippets", "110 hang dau snippets", "110 dang duc 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: (((("110 tang 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: (((("110 tang du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( 110 tang du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("110 tang du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.