Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trinh quan » tinh quang, trinh han
phuong van » phung van, phuong lan, phuong va
hoc thieu » toc thieu, hoc hien
phong van » phung van, thong van, phong va
thang cau » hang cau, thong cau, thanh chau
luat » luan, xuat

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 luat) or (trinh quan)) dung ((phuong van) OR (phong van)) thang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((trinh luat) OR (trinh quan)) dung ((phuong van) OR (phong van)) thang cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh ((trinh luat) or (trinh quan)) dung ((phuong van) OR (phong van)) thang cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((trinh luat) or (trinh quan)) dung ((phuong van) OR (phong van)) thang cau*.