Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bua yang con snippets" » "bua sang con snippets", "hua yang con snippets", "rua yang con snippets", "bua yang kon snippets", "bua dang cong snippets", "bua hang cong 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: (((("bua yang con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bua yang con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bua yang con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bua yang con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.