Perhaps you should try some spelling variations:
tdinh trung » trinh trung, tinh trung, trinh truong
chieu sang » chieu sach, chieu xanh, hieu lang
dinh trung » sinh trung, dinh trong, kinh trung
doi chieu » doc hieu, doi chi, ho chieu
hang cong » dang cong, hang nong, bang cong
thanh cac » hanh cac, thanh bac, thanh ca
cong tac » cong ty
than cap » khan cap, thanh lap, than cua
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - ((dinh trung) or (tdinh trung)) va hang cong tac ((than cap) OR (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - ((dinh trung) OR (tdinh trung)) va hang cong tac ((than cap) OR (thanh cac))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - ((dinh trung) or (tdinh trung)) va hang cong tac ((than cap) OR (thanh cac))*".