Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trang » thanh trung, canh tranh, hanh trinh
chua xang » chua nang, chuc nang, chu bang
hanh tang » anh tang, hanh mang, hanh tung
cua nhung » va nhung
cong tinh » cong trinh, cong vinh, long tinh
chu xanh » chu manh, chieu xanh, chuc danh
toan cau » toan cao, toan ban, toan tap

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 (chua xang)) - ((hanh tang) or (hanh trang)) cua nhung cong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chua xang)) - ((hanh tang) OR (hanh trang)) cua nhung cong tinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chua xang)) - ((hanh tang) or (hanh trang)) cua nhung cong tinh toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chua xang)) - ((hanh tang) or (hanh trang)) cua nhung cong tinh toan cau*.