Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
thong cong » trong cong, tong cong, thong thong
tieu sang » chieu sang, tieu dung, tiem nang
trung cua » truong cua, dung cua, thong cua
trung cap » truong cao, trung tam
cong khac » cong khan, cong khanh, cong tac
khac tran » khac trai, khac trong, khach trai
tran chau » tranh chap, tran huu

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