Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang cham de snippets" » "trang cham de snippets", "nang cao de snippets", "nang phan de snippets", "nang cham den snippets", "nang chem de snippets", "nang chat deo 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: (((("nang cham de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang cham de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang cham de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang cham de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.