Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
cua thuong » cua truong, cua phuong, ca thuong
hoc thieu » toc thieu, hoc hien
cua khong » hua khong, cua phuong, cua nhung
thong nam » thong xay, dong nam, thong va
nam than » nam thanh, nam thang, nam thuan
than cau » toan cau, phan cau, than cap

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 trinh ((((cua khong) OR (cua thuong))) or (cua cong)) thong nam than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh ((((cua khong) OR (cua thuong))) OR (cua cong)) thong nam than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trinh ((((cua khong) OR (cua thuong))) or (cua cong)) thong nam than cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh ((((cua khong) OR (cua thuong))) or (cua cong)) thong nam than cau*.