Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
cach ban » cac ban, cach bao, cach ben
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
cong tac » cong ty
tac chan » tac chuan, tac can, tac chon
chan tu » phan tu, han tu, chon tu

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 - cach ban ((cua dung) or (cua dang)) cong tac chan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - cach ban ((cua dung) OR (cua dang)) cong tac chan tu.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - cach ban ((cua dung) or (cua dang)) cong tac chan tu*.