Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham giua de snippets" » "tham gia de snippets", "nhat giua de snippets", "cam gia de snippets", "cham giua ke snippets", "cham gia de 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: (((("cham giua 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: (((("cham giua de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham giua de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham giua de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.