Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
thang cua » thong cua, hang cua, than cua
chu xanh » chu manh, chieu xanh, chua xang
chu bang » thu bang, chuc nang, chu quang
tang cuu » tang cua, tang cuoc, mang cua
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chu bang)) - anh ((tang cuu) OR (thang cua)) phuong cong tac toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) or (chu bang)) - anh ((tang cuu) OR (thang cua)) phuong cong tac toan ban~".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chu bang)) - anh ((tang cuu) OR (thang cua)) phuong cong tac toan ban*.