Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thien » hoc hien, hoc thiet, hoc tien
hoc thieu » toc thieu, hoc hien
chua dong » cua dong, ha dong, huy dong
dong cong » duong cong, dung cong, dang cong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van 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 thien) or (hoc thieu)) thanh - ((hanh tranh) or (thanh trung)) chua dong cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thien) OR (hoc thieu)) thanh - ((hanh tranh) OR (thanh trung)) chua dong cong san toan ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc thien) or (hoc thieu)) thanh - ((hanh tranh) or (thanh trung)) chua dong cong san toan ban*.