Perhaps you should try some spelling variations:
phuong dong » phuong dung, phuong hoang, chuong duong
theo chieu » theo tieu, ho chieu, theo chu
chieu bang » chieu sang, chu bang, khien bang
cua phuong » cuu phuong, cuc phuong, luan phuong
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
dong tac » cong tac, dong tai, dong bac
tac khan » tac nhan, cac khoan, tac chuan
khan cap » khan ap, than cap, khoan cam

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu bang - ((hanh tang) or (hanh mang)) cua phuong dong tac khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu bang - ((hanh tang) OR (hanh mang)) cua phuong dong tac khan cap.
• Adding a wildcard symbol may retrieve word variants: theo chieu bang - ((hanh tang) or (hanh mang)) cua phuong dong tac khan cap*.