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