Perhaps you should try some spelling variations:
nhung trong » hung trong, nhung tuong, thuong trong
theo chieu » theo tieu, ho chieu, theo chu
truong cua » truong ca, truong quan, truong cao
trong tinh » truong tinh, trong kinh, trong sinh
mot chieu » doi chieu, ho chieu
trung cua » trung tuan, trung cap, dung cua
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: ((theo chieu) or (mot chieu)) xanh - thanh ((trung cua) OR (truong cua)) nhung trong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (mot chieu)) xanh - thanh ((trung cua) OR (truong cua)) nhung trong tinh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (mot chieu)) xanh - thanh ((trung cua) OR (truong cua)) nhung trong tinh toan cao".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (mot chieu)) xanh - thanh ((trung cua) OR (truong cua)) nhung trong tinh toan cao*.