Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bua sang cho snippets" » "cua sang cho snippets", "lua sang cho snippets", "qua sang cho snippets", "bua danh cho snippets", "bua dung cho snippets", "bua sang tao 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 sang 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: (((("bua sang cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bua sang cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bua sang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.