Perhaps you should try some spelling variations:
thanh tung » thanh cong
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
chu tinh » chau tinh, chua tinh, cuu tinh
tung dap » tung dan, trung dai, tuong dan
dap dung » ap dung, dan dung, dap ung
van toan » van tuan, van tan, van thanh
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu tinh - thanh tung dap dung cong ((van toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu tinh - thanh tung dap dung cong ((van toan) OR (dan than)) cau*.