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