Perhaps you should try some spelling variations:
truong cao » truong dai
trong manh » trong minh, trong anh, trong mach
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
trung cap » trung tam
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban

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

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