Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trung » thanh trung, hanh trang, manh trung
hanh trinh » canh tranh, hanh chinh
nhung cong » thong cong, hang cong, nhung don
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
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 - ((hanh trung) or (hanh trinh)) nam ((nhung cong) or (dung cong)) tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh trung) OR (hanh trinh)) nam ((nhung cong) OR (dung cong)) tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh trung) or (hanh trinh)) nam ((nhung cong) or (dung cong)) tinh toan ban*.