Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bai van choi snippets" » "bai van chi snippets", "bai van cho snippets", "bai san choi snippets", "bui van choi snippets", "hai van choi snippets", "mai van choi 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: (((("bai van choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bai van choi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bai van choi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bai van choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.