Perhaps you should try some spelling variations:
"thi dai bao snippets" » "thoi dai bao snippets", "thi mai bao snippets", "thi hai bao snippets", "thi dam bao snippets", "thi da bao snippets", "thi tai bao snippets", "thi dai bao 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", "locating bug core 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: (((("thi dai bao snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi dai bao snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi dai bao snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi dai bao snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.