Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong manh » phuong anh, phung manh, phuong danh
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, ho chieu, mot chieu
manh toan » thanh toan, anh tuan, tinh toan
toan tap » toan ban
doi chi » doi khi

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

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