Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hanh tranh » canh tranh, hanh trinh, lanh tranh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
hoc dieu » hoc thieu
cong anh » cong danh, dong anh, hong anh
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: ((hoc dieu) or (hoc hien)) xanh - ((hanh tranh) OR (hanh trang)) cua nhung cong anh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (hoc hien)) xanh - ((hanh tranh) OR (hanh trang)) cua nhung cong anh tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc dieu) or (hoc hien)) xanh - ((hanh tranh) OR (hanh trang)) cua nhung cong anh tuan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (hoc hien)) xanh - ((hanh tranh) OR (hanh trang)) cua nhung cong anh tuan ban*.