Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
theo phap » thi phap
hanh tang » hanh trang, anh tang, hanh mang
ha thong » hoa thong, nha thong, he thong
cong tac » cong ty
tran cau » tran chau, ran cau, tra cau
toan cau » toan cao, toan ban, toan tap
theo ha » theo chu, thep nha, theo cap
tang ha » lang ha, tang ma, trung ha

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 ha thong cong tac ((tran cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo ha) OR (theo phap)) tinh - hanh tang ha thong cong tac ((tran cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: ((theo ha) or (theo phap)) tinh - hanh tang ha thong cong tac ((tran cau) or (toan cau))*.