Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
dung cong » dung trong
van thanh » ban thanh, van tuan
tung dap » tung dan, trung dai, tuong dan
dap dung » ap dung, dan dung, dap ung
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 chieu tinh - thanh tung dap dung cong ((van thanh) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - thanh tung dap dung cong ((van thanh) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - thanh tung dap dung cong ((van thanh) or (dan than)) cau*.