Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
tuan bang » tuan dang, tuan hoang, thuat bang
cong van » cong vang, cong san, song van
tuan ban » toan ban, luan ban, quang 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 thieu) OR (toc thieu)) xanh - canh tranh cua nhung cong van ((tuan ban) or (tuan bang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) xanh - canh tranh cua nhung cong van ((tuan ban) OR (tuan bang))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (toc thieu)) xanh - canh tranh cua nhung cong van ((tuan ban) or (tuan bang))*".