Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trinh quan » tinh quang, trinh han
hoc thieu » toc thieu, hoc hien
vung van » vung va, dung van, vung ven
than cau » toan cau, phan cau, than cap
ung van » dung van, cung van, hung van
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 ((ung van) OR (vung van)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((trinh luat) OR (trinh quan)) dung ((ung van) OR (vung van)) than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh ((trinh luat) or (trinh quan)) dung ((ung van) OR (vung van)) than cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((trinh luat) or (trinh quan)) dung ((ung van) OR (vung van)) than cau*.