Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hoc thieu » toc thieu, hoc hien
ca thuong » cao thuong, cua thuong, va thuong
ho chieu » theo chieu, doi chieu, mot chieu
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat
phan cau » phan dau, phan cac, phan tu

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) or (hoc thieu)) xanh - ((thanh tung) OR (thanh cong)) ca thuong cong tac phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - ((thanh tung) OR (thanh cong)) ca thuong cong tac phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) xanh - ((thanh tung) OR (thanh cong)) ca thuong cong tac phan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - ((thanh tung) OR (thanh cong)) ca thuong cong tac phan cau*.