Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
theo chieu » theo tieu, ho chieu, thi chieu
trong vat » trong van, trong va, trong dat
dung cong » dung trong
theo chu » cho chu, chao chu, theo yeu
vat dung » van dung, va dung, viet dung
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban
toan tap » toan ban

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) or (theo chu)) xanh - thanh trong vat dung cong tan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) xanh - thanh trong vat dung cong tan ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo chu)) xanh - thanh trong vat dung cong tan ((toan cao) or (toan tap))*.