Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
van toan » van tuan, van thanh, manh toan
van tan » van tuan, van ban, van tai

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 (hoc thieu)) xanh - hanh tranh cua nhung chong ((van toan) or (van tan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc thieu)) xanh - hanh tranh cua nhung chong ((van toan) OR (van tan)) cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (hoc thieu)) xanh - hanh tranh cua nhung chong ((van toan) or (van tan)) cao*".