Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
phung cong » nhung cong, phong cong, nhung chong
hoc thieu » toc thieu, hoc hien
cong ban » cong bang, cong san, cong tan
ban toan » bai toan, ban than, van toan
toan ban » van ban
tung va » trung va, tuong va, vung va

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 - thanh ((tung va) or (dung va)) phung cong ban toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((tung va) OR (dung va)) phung cong ban toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((tung va) or (dung va)) phung cong ban toan ban*.