Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
thong cong » trong cong, tong cong, thong thong
tieu xanh » tieu danh, chieu xanh, dieu hanh
tranh van » tran van, trinh van, thanh van
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh tranh van ((thong cong) or (dung trong)) ban ((than cap) OR (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tranh van ((thong cong) OR (dung trong)) ban ((than cap) OR (khan cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh tranh van ((thong cong) or (dung trong)) ban ((than cap) OR (khan cap))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tranh van ((thong cong) or (dung trong)) ban ((than cap) OR (khan cap))*.