Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
chung cua » chung cu, dung cua, thong cua
huong cua » dung cua
cong tan » cong tac, cong san, cong thanh
tran ban » tranh ban, tran van, toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - lanh ((chung cua) or (huong cua)) thuong cong tan tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - lanh ((chung cua) OR (huong cua)) thuong cong tan tran ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - lanh ((chung cua) or (huong cua)) thuong cong tan tran ban*.