Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh trinh » canh tranh
luat nhung » luat chung, luat thuong, thuat nhung
nhung cong » dung cong, thong cong, hang cong
tran chau » tranh chap, tran huu
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) OR (chieu sang)) - ((hanh trinh) or (hanh chinh)) luat nhung cong tan tran chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - ((hanh trinh) OR (hanh chinh)) luat nhung cong tan tran chau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sang)) - ((hanh trinh) or (hanh chinh)) luat nhung cong tan tran chau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) OR (chieu sang)) - ((hanh trinh) or (hanh chinh)) luat nhung cong tan tran chau*.