Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
theo phap » thi phap
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
anh nang » ganh nang, anh bang, anh dang
nang cua » mang cua, hang cua, nang dua
san phan » san pham, van phan, sat phan
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (theo phap)) tinh - anh nang cua ((hang cong) OR (dang cong)) san phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo phap)) tinh - anh nang cua ((hang cong) OR (dang cong)) san phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo phap)) tinh - anh nang cua ((hang cong) OR (dang cong)) san phan cac".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo phap)) tinh - anh nang cua ((hang cong) OR (dang cong)) san phan cac*.