Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
hua thong » hoa thong, hua khong, huy thong
huu thong » huu thang, huy thong, cuu thuong
thong dan » thong van, tuong dan, thong den
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: hoc thieu xanh - hanh tranh ((hua thong) or (huu thong)) thong dan ((than cap) OR (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh tranh ((hua thong) OR (huu thong)) thong dan ((than cap) OR (khan cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh tranh ((hua thong) or (huu thong)) thong dan ((than cap) OR (khan cap))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh tranh ((hua thong) or (huu thong)) thong dan ((than cap) OR (khan cap))*.