Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bua cho thue snippets" » "bua choi thuc snippets", "bua cuc thue snippets", "bua chu thue snippets", "qua cho thue snippets", "lua chon thue 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 cho thue 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 cho thue snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bua cho thue snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bua cho thue snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.