Perhaps you should try some spelling variations:
phuong dinh » phuong binh, phuong linh, phuong trinh
dung phuong » dung thuong, bang phuong, dung chung
theo chieu » theo tieu, theo chu, thi chieu
hanh tang » hanh trang, anh tang, hanh mang
dinh toan » tinh toan, hinh toan, minh toan
ho chieu » hoc thieu, doi chieu, mot chieu
toan cau » toan cao, toan ban, toan tap
tang va » trang va, tang van, thang va
va dung » van dung, va duong, vat dung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo chieu)) xanh - hanh tang va dung phuong dinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - hanh tang va dung phuong dinh toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - hanh tang va dung phuong dinh toan cau*.