Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
theo chieu » theo tieu, ho chieu, theo chu
thong cong » trong cong, tong cong, thong thong
tranh ha » thanh ha, trang ha, trinh ha
ha thong » hoa thong, nha thong, he thong
cong dan » cong san, cong tan, huong dan
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac
doi chi » doi khi

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 (doi chi)) xanh - hanh tranh ha thong cong dan ((than cap) OR (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chi)) xanh - hanh tranh ha thong cong dan ((than cap) OR (khan cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (doi chi)) xanh - hanh tranh ha thong cong dan ((than cap) OR (khan cap))".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doi chi)) xanh - hanh tranh ha thong cong dan ((than cap) OR (khan cap))*.