Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
theo chieu » theo tieu, theo chu, thi chieu
hanh trinh » hanh chinh
phuong van » phung van, phong van, phuong lan
cua nhung » va nhung
ho chieu » hoc thieu, doi chieu, mot chieu
van than » van thanh, van thang, van tuan
than tap » toan tap, han tap, phan tap

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

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