Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
thanh trang » thanh trung, thanh thang, thanh tran
hanh trang » thanh trung, canh tranh, hanh trinh
thien anh » thien danh, tien anh, thien chanh
dung cong » dung trong
gay dung » xay dung, van dung, ap dung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien anh) OR (thien thanh)) - ((hanh trang) or (thanh trang)) gay dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (thien thanh)) - ((hanh trang) OR (thanh trang)) gay dung cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien anh) OR (thien thanh)) - ((hanh trang) or (thanh trang)) gay dung cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) OR (thien thanh)) - ((hanh trang) or (thanh trang)) gay dung cong tac toan cau*.