Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
tieu sang » chieu sang, tieu dung, tiem nang
hung tuan » hung tran, quang tuan, hung thang
cong van » cong vang, cong san, song van
van than » van thanh, van thang, van tuan
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sang - thanh ((hung tuan) or (trung tuan)) nhung cong van than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - thanh ((hung tuan) OR (trung tuan)) nhung cong van than cao.
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - thanh ((hung tuan) or (trung tuan)) nhung cong van than cao*.