Perhaps you should try some spelling variations:
trong manh » trong minh, trong anh, trong mach
hieu xanh » chieu xanh, hieu manh, hieu nganh
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao
manh toan » thanh toan, anh tuan, tinh toan
doc hieu » toc thieu, hoc thieu, hoc hien
toan ban » van ban

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 ((trung cua) or (((trung cap) OR (trung tam)))) dung trong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh ((trung cua) OR (((trung cap) OR (trung tam)))) dung trong manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - hanh ((trung cua) or (((trung cap) OR (trung tam)))) dung trong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh ((trung cua) or (((trung cap) OR (trung tam)))) dung trong manh toan ban*.