Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
nong cong » cong cong, tong cong, nang cong
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, mot chieu
tung cuu » trung cua, trung cau, tuong cua
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 tinh - thanh tung cuu ((nong cong) or (trong cong)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - thanh tung cuu ((nong cong) OR (trong cong)) manh toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - thanh tung cuu ((nong cong) or (trong cong)) manh toan ban*.