Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
trinh khan » trinh han, trinh phan, trinh khai
hoc thieu » toc thieu, hoc hien
hanh mang » nhanh mang, hanh trang, nhanh lang
tong cong » trong cong, cong cong, dung cong
ho chieu » doi chieu, mot chieu, thi chieu
mang cua » manh cua, dung cua, ban cua
cua tong » cua cong, cua dong, cua nong
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: ((((ho chieu) or (hoc thieu))) or (theo chieu)) xanh - hanh mang cua tong cong trinh khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (hoc thieu))) OR (theo chieu)) xanh - hanh mang cua tong cong trinh khan cap.
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) or (hoc thieu))) or (theo chieu)) xanh - hanh mang cua tong cong trinh khan cap*.