Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo lieu » theo tieu, theo chieu, thi lieu
doanh cua » doanh luan
theo yeu » theo tieu, thiet yeu, theo chu
doanh va » doan va, doanh tai, hanh va
cong tam » cong tac, cong tan, cong nam
tam toan » tap toan, tam than, pham toan
toan tap » 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: ((theo lieu) OR (theo yeu)) tinh - hanh ((doanh va) or (doanh cua)) nhung cong tam toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo lieu) OR (theo yeu)) tinh - hanh ((doanh va) OR (doanh cua)) nhung cong tam toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo lieu) OR (theo yeu)) tinh - hanh ((doanh va) or (doanh cua)) nhung cong tam toan tap".
• Adding a wildcard symbol may retrieve word variants: ((theo lieu) OR (theo yeu)) tinh - hanh ((doanh va) or (doanh cua)) nhung cong tam toan tap*.