Perhaps you should try some spelling variations:
"tho trinh code snippets" » "tho trinh cong snippets", "tho trinh co snippets", "tho trinh cad snippets", "tho tinh code snippets", "tao trinh code snippets", "thi trinh code snippets", "tho trinh code slippers"
"python using a snippets" » "python using a slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: (((("python using a snippets") or ("tho trinh code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using a snippets") OR ("tho trinh code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using a snippets ) or ( tho trinh code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using a snippets") or ("tho trinh code snippets"))) or ("locating bug code snippets"))*.