Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
hanh tranh » canh tranh, hanh trinh, hanh trang
phuong dan » phuong danh, phuong doan, huong dan
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
chuan ha » chuan he, chuan bi, xuan ha
quan ha » quan he

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hien) or (doi chieu)) xanh - hanh tranh cua nhung phuong dan ((chuan ha) OR (quan ha))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (doi chieu)) xanh - hanh tranh cua nhung phuong dan ((chuan ha) OR (quan ha)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hien) or (doi chieu)) xanh - hanh tranh cua nhung phuong dan ((chuan ha) OR (quan ha))".
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (doi chieu)) xanh - hanh tranh cua nhung phuong dan ((chuan ha) OR (quan ha))*.