Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh trang » thanh trung, canh tranh, minh trang
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
van quang » van quan, tran quang, van tuan
quang cao » nang cao, quang nam, quang cua
chu xanh » chu manh, chieu xanh, chua xang
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) or (chinh sach)) - ((hanh trang) OR (hanh trinh)) cua nhung cong van quang cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chinh sach)) - ((hanh trang) OR (hanh trinh)) cua nhung cong van quang cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) or (chinh sach)) - ((hanh trang) OR (hanh trinh)) cua nhung cong van quang cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chinh sach)) - ((hanh trang) OR (hanh trinh)) cua nhung cong van quang cao*.