Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh viet » ninh viet, trinh vat
phuong dan » phuong danh, phuong doan, huong dan
ho chieu » theo chieu, hoc thieu, doi chieu
trinh va » trinh van, trinh vat, trinh ve
dan toan » van toan, dan than, manh toan
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: ho chieu xanh - hanh ((trinh va) or (trinh viet)) nhung phuong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh ((trinh va) OR (trinh viet)) nhung phuong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh ((trinh va) or (trinh viet)) nhung phuong dan toan cao*.