Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cong trong » cong thuong, duong trong, cong trinh
hoc thieu » toc thieu, hoc hien
anh dang » anh dung, anh bang, anh danh
anh dong » anh huong, anh son
van nhan » van phan, van thanh, danh nhan
nhan ban » nhuan ban, nhat ban, nhan dan

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 - ((anh dang) or (anh dong)) cua ((cong trong) or (cong dong)) van nhan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((anh dang) OR (anh dong)) cua ((cong trong) OR (cong dong)) van nhan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((anh dang) or (anh dong)) cua ((cong trong) or (cong dong)) van nhan ban*.