Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tieu xanh » tieu danh, chieu xanh, tien anh
hanh tang » hanh trang, hanh mang, hanh tung
anh tang » anh bang, anh dang, anh nang
va thong » va thuong, va phuong, he thong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu xanh) or (dieu hanh)) - ((hanh tang) or (anh tang)) va thong cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (dieu hanh)) - ((hanh tang) OR (anh tang)) va thong cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (dieu hanh)) - ((hanh tang) or (anh tang)) va thong cong tac toan tap*.