Perhaps you should try some spelling variations:
doanh quang » doan quang, doanh quan, doanh luan
chieu tinh » trieu tinh, lieu tinh, chau tinh
thuong dan » thuong han, thuong dam, thuong lan
quang luc » quang xuc, quang duc, nang luc
ho chieu » theo chieu, hoc thieu, mot chieu
luc cong » luoc cong, duc cong, luc dong
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu tinh - doanh quang luc cong ((thuong dan) or (huong dan)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - doanh quang luc cong ((thuong dan) OR (huong dan)) than cap.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - doanh quang luc cong ((thuong dan) or (huong dan)) than cap*.