Perhaps you should try some spelling variations:
hanh trang » canh tranh, hanh trinh, minh trang
thanh tung » thanh cong
trinh tan » trinh toan, trinh tuan, trinh han
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
doi chi » doi khi
chi anh » chi danh, chi hanh, thi anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi anh - ((thanh tung) or (((hanh trang) OR (thanh trung)))) cua cong trinh tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi anh - ((thanh tung) OR (((hanh trang) OR (thanh trung)))) cua cong trinh tan toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi anh - ((thanh tung) or (((hanh trang) OR (thanh trung)))) cua cong trinh tan toan cao*".