Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
trung cao » truong cao, trung cap, trung co
cao trong » cao truong, cay trong, tao trong
ho chieu » hoc thieu, doi chieu, mot chieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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: ((ho chieu) OR (theo chieu)) tinh - thanh trung cao trong cong tac toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) tinh - thanh trung cao trong cong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) tinh - thanh trung cao trong cong tac toan ban*.