Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
hoc chieu » hoc thieu, ho chieu, hoc hien
nong cong » cong cong, tong cong, dong cong
nang cong » nang song, bang cong, hang cong
dang cong » dung cong
manh toan » thanh toan, anh tuan, tinh toan
tung cua » trung cua, tuong cua, dung 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: hoc chieu tinh - thanh tung cua ((nong cong) or (((nang cong) OR (dang cong)))) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - thanh tung cua ((nong cong) OR (((nang cong) OR (dang cong)))) manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu tinh - thanh tung cua ((nong cong) or (((nang cong) OR (dang cong)))) manh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - thanh tung cua ((nong cong) or (((nang cong) OR (dang cong)))) manh toan ban*.