Perhaps you should try some spelling variations:
"ho thi hinh tai" » "ho thi hanh tai", "ho thi thanh tai", "ho thi bich tai", "ho thi chinh tai", "ho thi hinh thai", "ho thi chinh tri", "hoi thi hinh tai", "hoa thi hinh tai", "ha thi hinh tai"
"do thi minh tai" » "do chi minh tai", "do thi hanh tai", "do thi bich tai", "do thi minh tri", "do thi dinh tai", "do thi minh hai"
"ho chi hinh bai" » "ho chi minh bai", "ho chi binh bai", "ho chi dinh bai", "ho chi hinh thai", "ho chi tinh bac", "ho chi dinh ba"
"ho chi anh bai" » "ho chi danh bai", "ho chi hanh bai", "ho thi anh bai", "ho chi sach bai", "ho chi danh bat"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("ho thi hinh tai") or ("do thi minh tai"))) or ((("ho chi hinh bai") OR ("ho chi anh bai"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ho thi hinh tai") OR ("do thi minh tai"))) OR ((("ho chi hinh bai") OR ("ho chi anh bai")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"ho thi hinh tai\") or (\"do thi minh tai\"))) or (((\"ho chi hinh bai\") OR (\"ho chi anh bai\"))))".
• Removing quotes may allow a broader search: (((( ho thi hinh tai ) or ( do thi minh tai ))) or ((( ho chi hinh bai ) OR ( ho chi anh bai )))).
• Adding a wildcard symbol may retrieve word variants: (((("ho thi hinh tai") or ("do thi minh tai"))) or ((("ho chi hinh bai") OR ("ho chi anh bai"))))*.