Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chuan chau » chuan chat, chuan ha, chua chay
tieu sang » chieu sang, tieu dung, tiem nang
trung cap » truong cao, trung tam
thong cap » thong cac, thong cua, thong xay
van chuan » van thuan, van huan, van chuyen
cong van » cong vang, cong san, song van

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 ((trung cap) or (thong cap)) thong cong van chuan chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - thanh ((trung cap) OR (thong cap)) thong cong van chuan chau.
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - thanh ((trung cap) or (thong cap)) thong cong van chuan chau*.