Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets", "python using raw slippers"
"cho viet dat snippets" » "co viet dat snippets", "tho viet dat snippets", "ho viet dat snippets", "cho viec dat snippets", "cho viet da snippets", "cho viet dao snippets", "cho viet dat slippers"

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: (((("cho viet dat snippets") or ("python using raw snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho viet dat snippets") OR ("python using raw snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( cho viet dat snippets ) or ( python using raw snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho viet dat snippets") or ("python using raw snippets"))) or ("locating bugs code snippets"))*.