Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phuong, phong chong
nhung phong » nhung phuong, nung phong, nguong phong
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc chieu » hoc thieu, hoc hien, hoc dieu
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
tuan ban » tuan bang, toan ban, luan ban
va tuan » van tuan, va quan, va toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (ho chieu)) tinh - hanh tranh cua ((nhung phong) OR (nhung chong)) va tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (ho chieu)) tinh - hanh tranh cua ((nhung phong) OR (nhung chong)) va tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (ho chieu)) tinh - hanh tranh cua ((nhung phong) OR (nhung chong)) va tuan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (ho chieu)) tinh - hanh tranh cua ((nhung phong) OR (nhung chong)) va tuan ban*.