Perhaps you should try some spelling variations:
trung trong » truong trung, thuong trong, dung trong
theo chieu » theo tieu, theo chu, thi chieu
quan trung » quang trung, quan trong, xuan trung
trong manh » trong minh, trong anh, trong mach
hanh nang » ganh nang, hanh mang, hanh trang
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » hoc thieu, doi chieu, mot chieu
anh nang » ganh nang, anh bang, anh dang
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: ((theo chieu) or (ho chieu)) sang - ((hanh nang) OR (anh nang)) quan trung trong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sang - ((hanh nang) OR (anh nang)) quan trung trong manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (ho chieu)) sang - ((hanh nang) OR (anh nang)) quan trung trong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) sang - ((hanh nang) OR (anh nang)) quan trung trong manh toan ban*.