Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao dang do snippets" » "khao danh do snippets", "khao dung do snippets", "cao dang do snippets", "khao nang doc snippets", "khao dung doi snippets", "khao 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: (((("khao dang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khao dang do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao dang do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao dang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.