Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » hanh chinh
toc chieu » toc thieu, doc hieu, hoc thieu
ca thuong » cao thuong, cua thuong, va thuong
viec toan » kiem toan, viec ban, dien toan
viec tai » vien tai, lieu tai, viec lam

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu xanh - ((hanh trinh) or (canh tranh)) ca thuong cong ((viec toan) OR (viec tai)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu xanh - ((hanh trinh) OR (canh tranh)) ca thuong cong ((viec toan) OR (viec tai)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu xanh - ((hanh trinh) or (canh tranh)) ca thuong cong ((viec toan) OR (viec tai)) tap".
• Adding a wildcard symbol may retrieve word variants: toc chieu xanh - ((hanh trinh) or (canh tranh)) ca thuong cong ((viec toan) OR (viec tai)) tap*.