Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"son hoa hoi snippets" » "so hoa hoi snippets", "mon hoa hoi snippets", "son ha hoi snippets", "son khoa hoi snippets", "son hoa hoc snippets", "son hoa doi 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: (((("son hoa hoi snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("son hoa hoi snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( son hoa hoi snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son hoa hoi snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.