Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
hoc thieu » toc thieu, hoc hien
trung vat » trung va, trung van, trong vat
dung cong » dung trong
ho chieu » doi chieu, mot chieu, thi chieu
vat dung » van dung, va dung, viet dung
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: ((((ho chieu) or (hoc thieu))) or (theo chieu)) tinh - thanh trung vat dung cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (hoc thieu))) OR (theo chieu)) tinh - thanh trung vat dung cong san toan ban.
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) or (hoc thieu))) or (theo chieu)) tinh - thanh trung vat dung cong san toan ban*.