Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trung » thanh trung, hanh trang, manh trung
hoc thieu » toc thieu, hoc hien
chua dong » cua dong, ha dong, huy dong
hua khong » hoa khong, cua khong, hoac khong
trinh han » trinh quan
cua tong » cua cong, cua dong, cua nong
han cao » han cho, han gao, hoang cao

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 trung ((((cua tong) or (chua dong))) or (hua khong)) cong trinh han cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trung ((((cua tong) OR (chua dong))) OR (hua khong)) cong trinh han cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trung ((((cua tong) or (chua dong))) or (hua khong)) cong trinh han cao*.