Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
canh manh » lanh manh, canh tranh, cach mang
theo chu » theo chieu, cho chu, chao chu
cong van » cong vang, cong san, song van
can banh » can bang, ban banh, cac banh
manh va » hanh va, anh va, minh va
can ban » van ban, toan 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 (theo chu)) tinh - canh manh va nhung cong van ((can ban) or (can banh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (theo chu)) tinh - canh manh va nhung cong van ((can ban) OR (can banh)).
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (theo chu)) tinh - canh manh va nhung cong van ((can ban) or (can banh))*.