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