Perhaps you should try some spelling variations:
triet tinh » trieu tinh, trien tinh, trien kinh
thong cong » trong cong, tong cong, thong thong
thanh toan » thanh hoa, thanh san, tinh toan
mon triet » minh triet, bo triet, mao triet
trinh cap » trinh lap, trinh cac, trinh cam
trinh cau » trinh chat, trinh chao, trinh tu
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: mon triet tinh - hanh ((trinh cap) OR (trinh cau)) thong cong ((thanh toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mon triet tinh - hanh ((trinh cap) OR (trinh cau)) thong cong ((thanh toan) OR (dan than)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "mon triet tinh - hanh ((trinh cap) OR (trinh cau)) thong cong ((thanh toan) or (dan than)) cau".
• Adding a wildcard symbol may retrieve word variants: mon triet tinh - hanh ((trinh cap) OR (trinh cau)) thong cong ((thanh toan) or (dan than)) cau*.