Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
hoc thieu » toc thieu, hoc hien
cua dang » cua cong, cua ban
cong van » cong vang, cong san, song van
ha dong » hoat dong, van dong
ban cao » bao cao, ban can, ban co

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) or (hoc thieu)) xanh - thanh trung ((cua dang) or (ha dong)) cong van ban cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (hoc thieu)) xanh - thanh trung ((cua dang) OR (ha dong)) cong van ban cao.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (hoc thieu)) xanh - thanh trung ((cua dang) or (ha dong)) cong van ban cao*.