Perhaps you should try some spelling variations:
trong thanh » truong thanh, trung thanh, rong thanh
trinh quan » tinh quang, trinh han
thanh toan » thanh hoa, thanh san, tinh toan
hieu xanh » chieu xanh, hieu manh, hieu nganh
doc hieu » toc thieu, hoc thieu, hoc hien
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - hanh ((trinh quan) OR (trinh luat)) dung trong thanh toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - hanh ((trinh quan) OR (trinh luat)) dung trong thanh toan cau".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh ((trinh quan) OR (trinh luat)) dung trong thanh toan cau*.