Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trung » thanh trung, hanh trang, manh trung
cua phuong » cuu phuong, cuc phuong, luan phuong
hoc thieu » toc thieu, hoc hien
cua khong » hua khong, cua thuong, cua cong
cong tinh » cong trinh, cong vinh, long tinh
toan cao » toan ban, toan tap

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