Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim toan cho snippets" » "kiem toan cho snippets", "kim thanh cho snippets", "ke toan cho snippets", "kim toan cao snippets", "kim toan chi snippets", "kim toan ho 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: (((("kim toan cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kim toan cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim toan cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim toan cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.