Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
theo chu » theo chieu, cho chu, chao chu
tranh va » tranh van, trang va, trinh va
cong van » cong vang, cong san, song van
ban banh » ban hanh, ban anh, ban danh
ban ban » van ban, can ban, ban dan

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 (theo chu)) tinh - canh tranh va nhung cong van ((ban ban) or (ban banh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (theo chu)) tinh - canh tranh va nhung cong van ((ban ban) OR (ban banh)).
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (theo chu)) tinh - canh tranh va nhung cong van ((ban ban) or (ban banh))*.