Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sang » chieu sach, chieu xanh, hieu lang
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
canh ban » can ban, canh dan, canh van
cong tac » cong ty
phan dau » hang dau
ban cua » ban quan

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) or (chieu sang)) - canh ban cua thong cong tac ((phan tu) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (chieu sang)) - canh ban cua thong cong tac ((phan tu) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (chieu sang)) - canh ban cua thong cong tac ((phan tu) or (phan dau))*.