Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuat cu cau snippets" » "thuat cua cau snippets", "thuat co cau snippets", "thuat tu cau snippets", "thuat cu cao snippets", "thuat cu cu 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: (((("thuat cu cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuat cu cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuat cu cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuat cu cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.