Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu sang » chieu sach, chieu xanh, hieu lang
trung chap » trung cap, trung ha, trung phan
tranh chap » tranh cua, trinh chat
doc chieu » doc hieu, doi chieu, toc thieu
cong tap » cuong tap, cong tac, cong tan
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc chieu sang - thanh ((trung chap) or (tranh chap)) thuong cong tap ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc chieu sang - thanh ((trung chap) OR (tranh chap)) thuong cong tap ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doc chieu sang - thanh ((trung chap) or (tranh chap)) thuong cong tap ((toan tai) or (toan ban))*.