Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, mot chieu
tac nhung » tay nhung, tham nhung, thai nhung
cong tinh » cong trinh, cong vinh, long tinh
ho chieu » theo chieu, hoc thieu, mot chieu
cong tac » cong ty
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: ((ho chieu) or (doi chieu)) xanh - thanh cong tac nhung cong tinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) xanh - thanh cong tac nhung cong tinh toan tap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) xanh - thanh cong tac nhung cong tinh toan tap*.