Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
theo phap » thi phap
hanh tang » hanh trang, anh tang, hanh mang
he khong » he thong
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran cau » tran chau, toan cau, ran cau
theo ha » theo chu, thep nha, theo cap
tang he » tang le, tang ha, bang he

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo ha) OR (theo phap)) tinh - hanh tang he khong cong tac tran cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo ha) OR (theo phap)) tinh - hanh tang he khong cong tac tran cau".
• Adding a wildcard symbol may retrieve word variants: ((theo ha) OR (theo phap)) tinh - hanh tang he khong cong tac tran cau*.