Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thanh tung » thanh cong
tung cap » trung cap, cung cap, thong cap
han dong » hanh dong, phan dong, han duong
dong ban » dong bang, dong san, dong bac
phan dau » hang dau
cap han » cap phan, cap can, cap hay

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)) - thanh tung cap han dong ban ((phan tu) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - thanh tung cap han dong ban ((phan tu) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sang)) - thanh tung cap han dong ban ((phan tu) or (phan dau))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) OR (chieu sang)) - thanh tung cap han dong ban ((phan tu) or (phan dau))*.