Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
chieu xanh » chieu sach, chieu sang, chieu tinh
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh nang
cong tac » cong ty
toan cao » toan ban, toan tap
va lang » va nang, hoa lang

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 xanh - ((anh tang) or (hanh trang)) va lang ((cong san) OR (cong tac)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((anh tang) OR (hanh trang)) va lang ((cong san) OR (cong tac)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - ((anh tang) or (hanh trang)) va lang ((cong san) OR (cong tac)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((anh tang) or (hanh trang)) va lang ((cong san) OR (cong tac)) toan cao*.