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