Perhaps you should try some spelling variations:
nhung cong » dung cong, hang cong, nhung don
thieu tach » thien hach, chiet tach, chieu sach
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
canh manh » lanh manh, canh tranh, cach mang
manh cua » doanh cua, ban cua
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 cua ((nhung cong) OR (thong cong)) manh van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tach - canh manh cua ((nhung cong) OR (thong cong)) manh van ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tach - canh manh cua ((nhung cong) OR (thong cong)) manh van ban*.