Perhaps you should try some spelling variations:
"thi trinh san snippets" » "tho trinh san snippets", "thi thanh san snippets", "thi minh san snippets", "thi trinh han snippets", "thi trinh van snippets", "thi trinh quan snippets", "thi trinh san slippers"
"python using sat snippets" » "python using data snippets", "python using a snippets", "python using raw snippets", "python using sat slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("thi trinh san snippets") or ("python using sat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi trinh san snippets") OR ("python using sat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi trinh san snippets ) or ( python using sat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi trinh san snippets") or ("python using sat snippets"))) or ("locating bug code snippets"))*.