Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
thanh tra » thanh toan, thanh hoa
hanh tram » hanh tam, hanh trang, thanh tran
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
toan cao » toan ban, toan tap
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc thieu) or (theo chieu)) sach - ((thanh tra) or (hanh tram)) va dung cong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (theo chieu)) sach - ((thanh tra) OR (hanh tram)) va dung cong tinh toan cao.
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (theo chieu)) sach - ((thanh tra) or (hanh tram)) va dung cong tinh toan cao*.