Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using code snippets" » "python using cfd snippets", "python using one snippets"
"hoc can cau snippets" » "hoc dan cau snippets", "hoc cao cau snippets", "hoc cac cau snippets", "hoc van cau snippets", "hoc ban cau snippets", "hoc ca cau 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 can cau snippets") or ("python using code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc can cau snippets") OR ("python using code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( hoc can cau snippets ) or ( python using code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc can cau snippets") or ("python using code snippets"))) or ("locating bugs code snippets"))*.