Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu khang du snippets" » "huu khang du snippets", "cuu thanh du snippets", "cuu nang du snippets", "cuu hang du snippets", "cuu khang cu snippets", "cuu hang dau 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: (((("cuu khang du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuu khang du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu khang du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu khang du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.