Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
thong cong » trong cong, tong cong, thong thong
trung cap » truong cao, trung tam
tac thanh » bac thanh, cac thanh, tcc thanh
thanh lap » thanh san, phan lap, thanh hai
trung ca » truong ca, trung cua, trung can
cong tac » cong ty

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 sang - manh ((trung ca) or (trung cap)) thong cong tac thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - manh ((trung ca) OR (trung cap)) thong cong tac thanh lap*.