Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo lieu » theo tieu, theo chieu, theo yeu
lieu tinh » trieu tinh, diep tinh, bien tinh
doanh cua » doanh luan
cong phap » chong phap, cong phan, cong pham
phap toan » phap hoan, phap luan, phap phan
doanh va » doan va, doanh tai, hanh va
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 tinh - hanh ((doanh va) or (doanh cua)) nhung cong phap toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo lieu tinh - hanh ((doanh va) OR (doanh cua)) nhung cong phap toan tap.
• Adding a wildcard symbol may retrieve word variants: theo lieu tinh - hanh ((doanh va) or (doanh cua)) nhung cong phap toan tap*.