Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
hanh tranh » canh tranh, hanh trinh, hanh trang
chong van » thong van, hong van, phong van
tranh va » tranh van, trang va, trinh va
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc thieu) or (hoc hien)) xanh - hanh tranh va nhung chong van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (hoc hien)) xanh - hanh tranh va nhung chong van tuan ban*.