Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
phuong van » phung van, phong van, phuong lan
van khang » van khanh, van thanh, van quang
khang cap » khan cap, khang chan, hang ca
cua bang » chua bang, cua ban, cua dang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - ((hanh tranh) or (hanh trinh)) cua bang phuong van khang cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - ((hanh tranh) OR (hanh trinh)) cua bang phuong van khang cap.
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - ((hanh tranh) or (hanh trinh)) cua bang phuong van khang cap*.