Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bach cau phe snippets" » "bac cau phe snippets", "bach mai phe snippets", "sach cap phe snippets", "bach ca phe snippets", "bach cau theo snippets", "bach cau thep 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 phe 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 phe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bach cau phe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bach cau phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.