Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trang » thanh trung, canh tranh, hanh trinh
hanh tang » anh tang, hanh mang, hanh tung
cong cong » cong dong, trong cong, dung cong
cong tinh » cong trinh, cong vinh, long tinh
tien anh » tieng anh, tien manh, dien anh
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: hoc ((thieu xanh) or (tien anh)) - ((hanh tang) or (hanh trang)) cua cong cong tinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (tien anh)) - ((hanh tang) OR (hanh trang)) cua cong cong tinh toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (tien anh)) - ((hanh tang) or (hanh trang)) cua cong cong tinh toan tap*.