Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
nhanh mang » nhanh lang, hanh mang, nhanh quang
hanh tung » manh tung, hanh dung, thanh trung
cong cong » cong dong, trong cong, dung cong
cong san » cong tac
san toan » van toan, dan toan, manh toan
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: theo chieu sach - ((((hanh tung) OR (thanh tung))) or (nhanh mang)) cua cong cong san toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((((hanh tung) OR (thanh tung))) OR (nhanh mang)) cua cong cong san toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((((hanh tung) OR (thanh tung))) or (nhanh mang)) cua cong cong san toan cao*".