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