Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
ho chieu » theo chieu, doi chieu, mot chieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan 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 tieu) or (ho chieu))) or (hoc thieu)) xanh - thanh trung cua nhung cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((theo tieu) OR (ho chieu))) OR (hoc thieu)) xanh - thanh trung cua nhung cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: ((((theo tieu) or (ho chieu))) or (hoc thieu)) xanh - thanh trung cua nhung cong tac toan tap*.