Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
lanh manh » lanh tranh, lan anh, van manh
bang cong » dang cong, bang song, hang cong
cong toan » cong tan, cong hoan, cong tuan
cua bang » chua bang, cua ban, cua dang
toan ban » van ban
ban dau » bat dau, ban dan, van dau

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 - ((lanh manh) or (van minh)) cua bang cong toan ban dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((lanh manh) OR (van minh)) cua bang cong toan ban dau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((lanh manh) or (van minh)) cua bang cong toan ban dau*.