Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu
cua nhung » va nhung
cong manh » cong danh, duong manh, cong thanh
anh nang » ganh nang, anh bang, anh dang
nang cua » mang cua, hang cua, nang dua
toan cao » toan tap
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) sang - anh nang cua nhung cong manh ((toan cao) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (hoc hien)) sang - anh nang cua nhung cong manh ((toan cao) OR (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) sang - anh nang cua nhung cong manh ((toan cao) OR (toan ban))*.