Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc di cau snippets" » "hoc dai cau snippets", "hoc doi cau snippets", "hoc ki cau snippets", "hoc da cau snippets", "hoc diem cau 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: (((("hoc di 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: (((("hoc di cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc di cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc di cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.