Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
doi chieu » doc hieu, doi chi, mot chieu
tranh cua » doanh cua, manh cua
dang cong » dung cong
ho chieu » hoc thieu, mot chieu, thi chieu
cua dang » cua cong, cua ban
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than tap » toan tap, han tap, phan tap

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))) or (doi chieu)) xanh - canh tranh cua dang cong tac than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (theo chieu))) OR (doi chieu)) xanh - canh tranh cua dang cong tac than tap.
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) or (theo chieu))) or (doi chieu)) xanh - canh tranh cua dang cong tac than tap*.