Perhaps you should try some spelling variations:
thieu tach » thien hach, chiet tach, chieu sach
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
canh manh » canh tranh, cach mang, van manh
lanh manh » lanh tranh, lan anh, van manh
cua nhung » va nhung
cong manh » cong danh, duong manh, cong thanh
manh van » anh van, menh van, canh van

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 tach - ((canh manh) OR (lanh manh)) cua nhung cong manh van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tach - ((canh manh) OR (lanh manh)) cua nhung cong manh van ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tach - ((canh manh) OR (lanh manh)) cua nhung cong manh van ban*.