Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
canh manh » lanh manh, canh tranh, cach mang
hang cong » dang cong, hang nong, bang cong
manh cua » doanh cua, ban cua
toan tai » toan tap, doanh tai, toan cao
toan ban » van 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 xanh - canh manh cua ((nhung cong) or (hang cong)) dan ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh manh cua ((nhung cong) OR (hang cong)) dan ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh manh cua ((nhung cong) or (hang cong)) dan ((toan tai) or (toan ban))*.