Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
cua truong » cua trung, xuan truong, cac truong
hanh mang » nhanh mang, hanh trang, nhanh lang
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
ho chieu » hoc thieu, doi chieu, mot chieu

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)) xanh - ((hanh mang) or (thanh trung)) cua truong cong doan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - ((hanh mang) OR (thanh trung)) cua truong cong doan phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) xanh - ((hanh mang) or (thanh trung)) cua truong cong doan phan tu".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) xanh - ((hanh mang) or (thanh trung)) cua truong cong doan phan tu*.