Perhaps you should try some spelling variations:
thuong huong » thuong phuong, thuong luong, thong huong
chieu sang » chieu sach, chieu xanh, hieu lang
ho chieu » theo chieu, hoc thieu, doi chieu
tung tam » trung tam, vung tam, tuong tac
dung tam » duong tam, dung tai, dung lam
than ban » thanh ban, toan ban, nhuan ban
than man » than ma, thanh san, tran manh

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 sang - thanh ((tung tam) or (dung tam)) thuong huong dan ((than ban) OR (than man))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh ((tung tam) OR (dung tam)) thuong huong dan ((than ban) OR (than man)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh ((tung tam) or (dung tam)) thuong huong dan ((than ban) OR (than man))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh ((tung tam) or (dung tam)) thuong huong dan ((than ban) OR (than man))*.